----------------------------------------------------------------------------------------- Version: '10.4.2-MariaDB-1:10.4.2+maria~bionic' socket: '/data/mysql/mysql.sock' port: 3306 mariadb.org binary distribution --Thread 140299057727232 has waited at row0purge.cc line 1077 for 241.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 241.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 241.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 241.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:21:30 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 241.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:21:30 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 241.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:21:30 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 241.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:21:30 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 239.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:21:30 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 241.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:21:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 30 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340421 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 257.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 257.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 257.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 255.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 257.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545744 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 257 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 416405 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 38206 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 5024 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 4841 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 5199 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 4810 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 4752 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 4595 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 4453 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 4532 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 272.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 272.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 272.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 270.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 272.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:22:01 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 272.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:22:01 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 272.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:22:01 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 272.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:22:01 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 270.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:22:01 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 272.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:22:06 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340421 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 277.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 277.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 277.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 275.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 277.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545744 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 277 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 413610 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 40997 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 5400 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 5206 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 5545 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 5151 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 5085 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 4902 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 4815 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 4893 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2019-02-25 15:22:26 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340421 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 297.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 297.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 297.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 295.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 297.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545744 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 297 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 410878 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 43729 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 5776 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 5561 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 5912 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 5505 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 5440 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 5213 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 5075 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 5247 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 303.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 303.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 303.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 301.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 303.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:22:32 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 303.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:22:32 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 303.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:22:32 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 303.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:22:32 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 301.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:22:32 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 303.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:22:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340421 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 317.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 317.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 317.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 315.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 317.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545744 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 317 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 408169 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 46438 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 6119 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 5912 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 6273 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 5844 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 5769 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 5563 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 5368 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 5590 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 334.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 334.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 334.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 332.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 334.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:23:03 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 334.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:23:03 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 334.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:23:03 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 334.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:23:03 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 332.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:23:03 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 334.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:23:06 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340421 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 337.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 337.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 337.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 335.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 337.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545744 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 337 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 405525 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 49082 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 6507 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 6296 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 6662 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 6185 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 6116 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 5795 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 5697 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 5824 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2019-02-25 15:23:26 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340421 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 357.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 357.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 357.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 355.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 357.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545744 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 357 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 403106 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 51501 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 6843 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 6561 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 6995 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 6500 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 6425 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 6073 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 5946 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 6158 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 365.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 365.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 365.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 363.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 365.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:23:34 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 365.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:23:34 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 365.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:23:34 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 365.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:23:34 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 363.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:23:34 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 365.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:23:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340421 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 377.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 377.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 377.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 375.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 377.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545744 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 377 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 400500 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 54107 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 7169 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 6891 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 7328 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 6823 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 6738 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 6430 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 6311 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 6417 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 396.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 396.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 396.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 394.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 396.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:24:05 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 396.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:24:05 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 396.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:24:05 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 396.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:24:05 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 394.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:24:05 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 396.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:24:06 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340421 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 397.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 397.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 397.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 395.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 397.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545744 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 397 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 397984 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 56623 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 7476 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 7208 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 7641 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 7135 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 7060 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 6754 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 6625 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 6724 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2019-02-25 15:24:26 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340421 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 417.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 417.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 417.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 415.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 417.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545744 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 417 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 395486 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 59121 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 7787 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 7520 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 7949 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 7442 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 7373 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 7064 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 6945 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 7041 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 427.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 427.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 427.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 425.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 427.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:24:36 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 427.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:24:36 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 427.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:24:36 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 427.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:24:36 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 425.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:24:36 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 427.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:24:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340421 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 437.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 437.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 437.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 435.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 437.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545744 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 437 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 392975 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 61632 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 8104 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 7824 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 8265 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 7756 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 7677 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 7385 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 7254 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 7367 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 458.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 458.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 458.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 456.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 458.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:25:07 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 458.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:25:07 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 458.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:25:07 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 458.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:25:07 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 456.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:25:07 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 458.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:25:26 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 40 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 477.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 477.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 477.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 475.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 477.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 477 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 387631 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 66976 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 8770 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 8475 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 8954 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 8444 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 8359 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 8068 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 7859 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 8047 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 489.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 489.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 489.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 487.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 489.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:25:38 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 489.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:25:38 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 489.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:25:38 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 489.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:25:38 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 487.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:25:38 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 489.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:25:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 497.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 497.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 497.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 495.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 497.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 497 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 384998 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 69609 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 9111 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 8827 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 9329 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 8784 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 8691 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 8363 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 8115 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 8389 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2019-02-25 15:26:06 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 517.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 517.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 517.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 515.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 517.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 517 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 382293 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 72314 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 9436 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 9216 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 9710 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 9160 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 9066 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 8692 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 8290 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 8744 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 520.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 520.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 520.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 518.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 520.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:26:09 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 520.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:26:09 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 520.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:26:09 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 520.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:26:09 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 518.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:26:09 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 520.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:26:26 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 537.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 537.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 537.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 535.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 537.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 537 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 379464 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 75143 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 9720 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 9562 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 10090 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 9502 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 9454 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 9070 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 8635 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 9110 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 551.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 551.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 551.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 549.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 551.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:26:40 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 551.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:26:40 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 551.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:26:40 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 551.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:26:40 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 549.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:26:40 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 551.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:26:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 557.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 557.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 557.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 555.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 557.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 557 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 376623 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 77984 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 10040 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 9918 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 10450 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 9841 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 9827 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 9484 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 8897 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 9527 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2019-02-25 15:27:06 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 577.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 577.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 577.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 575.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 577.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 577 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 373824 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 80783 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 10418 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 10299 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 10772 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 10230 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 10188 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 9790 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 9209 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 9877 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 582.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 582.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 582.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 580.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 582.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:27:11 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 582.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:27:11 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 582.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:27:11 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 582.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:27:11 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 580.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:27:11 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 582.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:27:26 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 597.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 597.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 597.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 595.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 597.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 597 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 370917 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 83690 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 10820 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 10661 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 11228 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 10638 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 10623 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 9968 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 9645 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 10107 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 613.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 613.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 613.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 611.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 613.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:27:42 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 613.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:27:42 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 613.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:27:42 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 613.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:27:42 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 611.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:27:42 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 613.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:27:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 617.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 617.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 617.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 615.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 617.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 617 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 367951 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 86656 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 11239 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 10936 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 11665 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 11098 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 10973 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 10259 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 10073 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 10413 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2019-02-25 15:28:06 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 637.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 637.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 637.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 635.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 637.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 637 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 364643 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 89964 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 11652 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 11352 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 12075 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 11511 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 11376 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 10673 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 10490 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 10835 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 644.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 644.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 644.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 642.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 644.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:28:13 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 644.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:28:13 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 644.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:28:13 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 644.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:28:13 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 642.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:28:13 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 644.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:28:26 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 657.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 657.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 657.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 655.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 657.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 657 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 361131 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 93476 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 12123 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 11880 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 12483 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 11854 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 11790 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 11221 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 10775 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 11350 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 675.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 675.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 675.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 673.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 675.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:28:44 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 675.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:28:44 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 675.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:28:44 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 675.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:28:44 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 673.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:28:44 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 675.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:28:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 677.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 677.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 677.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 675.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 677.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 677 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 357985 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 96622 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 12508 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 12273 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 12882 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 12249 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 12187 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 11605 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 11172 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 11746 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2019-02-25 15:29:06 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 697.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 697.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 697.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 695.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 697.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 697 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 354895 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 99712 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 12924 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 12687 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 13300 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 12682 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 12614 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 12031 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 11331 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 12143 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 706.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 706.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 706.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 704.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 706.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:29:15 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 706.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:29:15 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 706.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:29:15 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 706.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:29:15 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 704.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:29:15 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 706.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:29:26 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 717.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 717.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 717.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 715.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 717.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 717 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 351535 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 103072 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 13283 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 13167 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 13687 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 13162 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 13011 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 12335 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 11863 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 12564 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 735.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:29:46 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:29:46 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:29:46 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:29:46 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 735.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:29:46 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:29:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 735.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 737.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 737 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 347898 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 106709 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 13709 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 13595 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 14178 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 13569 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 13466 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 12772 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 12445 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 12975 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2019-02-25 15:30:06 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 757.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 757.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 757.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 755.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 757.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 757 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 344423 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 110184 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 14083 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 14042 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 14638 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 13967 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 13878 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 13164 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 13001 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 13411 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 768.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 768.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 768.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 766.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 768.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:30:17 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 768.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:30:17 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 768.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:30:17 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 768.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:30:17 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 766.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:30:17 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 768.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:30:26 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 777.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 777.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 777.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 775.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 777.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 777 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 340541 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 114066 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 14638 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 14520 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 15114 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 14410 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 14388 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 13603 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 13507 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 13886 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2019-02-25 15:30:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 797.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 797.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 797.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 795.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 797.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 797 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 336756 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 117851 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 15079 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 15027 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 15554 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 14907 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 14808 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 14088 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 14008 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 14380 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 799.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 799.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 799.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 797.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 799.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:30:48 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 799.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:30:48 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 799.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:30:48 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 799.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:30:48 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 797.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:30:48 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 799.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:31:06 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 817.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 817.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 817.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 815.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 817.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 817 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 332940 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 121667 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 15535 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 15538 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 16060 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 15370 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 15233 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 14561 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 14496 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 14874 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 830.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 830.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 830.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 828.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 830.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:31:19 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 830.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:31:19 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 830.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:31:19 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 830.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:31:19 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 828.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:31:19 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 830.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:31:26 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 837.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 837.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 837.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 835.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 837.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 837 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 328966 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 125641 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 16031 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 15979 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 16606 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 15799 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 15776 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 15054 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 14986 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 15410 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2019-02-25 15:31:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 857.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 857.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 857.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 855.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 857.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 857 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 324807 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 129800 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 16557 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 16480 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 17179 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 16319 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 16324 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 15557 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 15436 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 15948 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 861.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 861.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 861.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 859.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 861.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:31:50 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 861.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:31:50 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 861.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:31:50 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 861.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:31:50 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 859.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:31:50 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 861.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:32:06 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 877.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 877.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 877.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 875.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 877.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 877 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 320704 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 133903 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 17079 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 16925 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 17717 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 16813 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 16841 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 16085 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 16000 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 16443 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 892.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 892.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 892.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 890.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 892.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:32:21 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 892.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:32:21 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 892.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:32:21 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 892.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:32:21 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 890.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:32:21 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 892.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:32:26 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 897.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 897.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 897.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 895.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 897.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 897 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 316622 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 137985 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 17618 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 17461 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 18246 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 17360 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 17384 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 16517 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 16426 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 16973 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2019-02-25 15:32:46 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 917.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 917.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 917.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 915.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 917.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 917 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 312369 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 142238 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 18238 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 17976 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 18836 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 17963 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 17971 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 16991 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 16791 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 17472 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream --Thread 140299057727232 has waited at row0purge.cc line 1077 for 923.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 923.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 923.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 921.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 923.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:32:52 0 [Note] InnoDB: A semaphore wait: --Thread 140299057727232 has waited at row0purge.cc line 1077 for 923.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:32:52 0 [Note] InnoDB: A semaphore wait: --Thread 140299040941824 has waited at row0purge.cc line 1077 for 923.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:32:52 0 [Note] InnoDB: A semaphore wait: --Thread 140299049334528 has waited at row0purge.cc line 1077 for 923.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:32:52 0 [Note] InnoDB: A semaphore wait: --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 921.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 2019-02-25 15:32:52 0 [Note] InnoDB: A semaphore wait: --Thread 140299066119936 has waited at row0purge.cc line 1077 for 923.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending reads 0, writes 0 ===================================== 2019-02-25 15:33:06 0x7f99ed7fc700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 2757 srv_active, 0 srv_shutdown, 14179 srv_idle srv_master_thread log flush and writes: 1752 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7340422 --Thread 140299057727232 has waited at row0purge.cc line 1077 for 937.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299040941824 has waited at row0purge.cc line 1077 for 937.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299049334528 has waited at row0purge.cc line 1077 for 937.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299116476160 has waited at srv0srv.cc line 2001 for 935.00 seconds the semaphore: X-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 --Thread 140299066119936 has waited at row0purge.cc line 1077 for 937.00 seconds the semaphore: S-lock on RW-latch at 0x5631fa2e53d0 created in file dict0dict.cc line 1105 a writer (thread id 140330676606720) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time write locked in file row0mysql.cc line 3333 OS WAIT ARRAY INFO: signal count 53545745 RW-shared spins 0, rounds 47379576, OS waits 5332033 RW-excl spins 0, rounds 358240023, OS waits 1723596 RW-sx spins 5003, rounds 111905, OS waits 3378 Spin rounds per wait: 47379576.00 RW-shared, 358240023.00 RW-excl, 22.37 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 232 Purge done for trx's n:o < 223 undo n:o < 663167257 state: running History list length 4 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 376247013197432, not started mysql tables in use 1, locked 1 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 376247013193176, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 231, ACTIVE 937 sec dropping table 0 lock struct(s), heap size 1136, 0 row lock(s) MySQL thread id 797, OS thread handle 140330676606720, query id 153886 localhost root truncate table target -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 3083613 OS file reads, 5268865 OS file writes, 79440 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 307917 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) Hash table size 6694183, node heap has 1 buffer(s) Hash table size 6694183, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 70943075813 Log flushed up to 70943075813 Pages flushed up to 70943075813 Last checkpoint at 70942660724 0 pending log flushes, 0 pending chkp writes 74013 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 27816624128 Dictionary memory allocated 36720 Buffer pool size 1651600 Free buffers 146690 Database pages 1196992 Old database pages 441694 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 2182809, not young 1506651857 0.00 youngs/s, 0.00 non-youngs/s Pages read 3083724, created 2361274, written 5037946 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1196992, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---------------------- INDIVIDUAL BUFFER POOL INFO ---------------------- ---BUFFER POOL 0 Buffer pool size 206450 Free buffers 18791 Database pages 148824 Old database pages 54916 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 271224, not young 191644102 0.00 youngs/s, 0.00 non-youngs/s Pages read 383626, created 293723, written 628323 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148824, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 1 Buffer pool size 206450 Free buffers 18522 Database pages 148970 Old database pages 54970 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272354, not young 187221500 0.00 youngs/s, 0.00 non-youngs/s Pages read 389616, created 296287, written 633140 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148970, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 2 Buffer pool size 206450 Free buffers 19469 Database pages 148856 Old database pages 54928 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272394, not young 188093553 0.00 youngs/s, 0.00 non-youngs/s Pages read 388895, created 296229, written 632960 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 148856, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 3 Buffer pool size 206450 Free buffers 18493 Database pages 149239 Old database pages 55070 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272460, not young 192046584 0.00 youngs/s, 0.00 non-youngs/s Pages read 389481, created 296132, written 632498 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149239, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 4 Buffer pool size 206450 Free buffers 18510 Database pages 149183 Old database pages 55049 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272822, not young 185134178 0.00 youngs/s, 0.00 non-youngs/s Pages read 389869, created 296195, written 631674 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149183, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 5 Buffer pool size 206450 Free buffers 17611 Database pages 150193 Old database pages 55422 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 273613, not young 191212794 0.00 youngs/s, 0.00 non-youngs/s Pages read 388215, created 296260, written 631440 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 150193, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 6 Buffer pool size 206450 Free buffers 17231 Database pages 152103 Old database pages 56127 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 275247, not young 188717118 0.00 youngs/s, 0.00 non-youngs/s Pages read 385871, created 296323, written 631281 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 152103, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] ---BUFFER POOL 7 Buffer pool size 206450 Free buffers 18063 Database pages 149624 Old database pages 55212 Modified db pages 0 Percent of dirty pages(LRU & free pages): 0.000 Max dirty pages percent: 90.000 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 272695, not young 182582028 0.00 youngs/s, 0.00 non-youngs/s Pages read 368151, created 290125, written 616630 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 149624, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=5569, Main thread ID=140299116476160, state: enforcing dict cache limit Number of rows inserted 731070367, updated 0, deleted 0, read 1418948026 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s Number of system rows inserted 0, updated 0, deleted 0, read 0 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2019-02-25 15:33:22 0 [ERROR] [FATAL] InnoDB: Semaphore wait has lasted > 600 seconds. We intentionally crash the server because it appears to be hung. 190225 15:33:22 [ERROR] mysqld got signal 6 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. To report this bug, see https://mariadb.com/kb/en/reporting-bugs We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. Server version: 10.4.2-MariaDB-1:10.4.2+maria~bionic key_buffer_size=134217728 read_buffer_size=131072 max_used_connections=64 max_threads=65546 thread_count=10 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 25330562 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. Thread pointer: 0x0 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x0 thread_stack 0x30000 *** buffer overflow detected ***: /usr/sbin/mysqld terminated 2019-02-25 15:33:38 0 [Note] RocksDB: 2 column families found 2019-02-25 15:33:38 0 [Note] RocksDB: Column Families at start: 2019-02-25 15:33:38 0 [Note] cf=default 2019-02-25 15:33:38 0 [Note] write_buffer_size=268435456 2019-02-25 15:33:38 0 [Note] target_file_size_base=33554432 2019-02-25 15:33:38 0 [Note] cf=__system__ 2019-02-25 15:33:38 0 [Note] write_buffer_size=268435456 2019-02-25 15:33:38 0 [Note] target_file_size_base=33554432 2019-02-25 15:33:39 0 [Note] RocksDB: Table_store: loaded DDL data for 132 tables 2019-02-25 15:33:39 0 [Note] RocksDB: global statistics using get_sched_indexer_t indexer 2019-02-25 15:33:39 0 [Note] MyRocks storage engine plugin has been successfully initialized. 2019-02-25 15:33:39 0 [Note] InnoDB: Using Linux native AIO 2019-02-25 15:33:39 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 2019-02-25 15:33:39 0 [Note] InnoDB: Uses event mutexes 2019-02-25 15:33:39 0 [Note] InnoDB: Compressed tables use zlib 1.2.11 2019-02-25 15:33:39 0 [Note] InnoDB: Number of pools: 1 2019-02-25 15:33:39 0 [Note] InnoDB: Using SSE2 crc32 instructions 2019-02-25 15:33:39 0 [Note] mysqld: O_TMPFILE is not supported on /data/temp (disabling future attempts) 2019-02-25 15:33:39 0 [Note] InnoDB: Initializing buffer pool, total size = 25G, instances = 8, chunk size = 128M 2019-02-25 15:33:40 0 [Note] InnoDB: Completed initialization of buffer pool 2019-02-25 15:33:40 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority(). 2019-02-25 15:33:40 0 [Note] InnoDB: Starting crash recovery from checkpoint LSN=70943063184 2019-02-25 15:33:40 0 [Note] InnoDB: Ignoring data file './asterisk/target.ibd' with space ID 8, since the redo log references ./asterisk/target.ibd with space ID 7. 2019-02-25 15:33:40 0 [Note] InnoDB: Ignoring data file './asterisk/target.ibd' with space ID 7. Another data file called ./asterisk/#sql-ib22.ibd exists with the same space ID. 2019-02-25 15:33:40 0 [Note] InnoDB: Starting final batch to recover 127 pages from redo log. 2019-02-25 15:33:41 0 [Note] InnoDB: 128 out of 128 rollback segments are active. 2019-02-25 15:33:41 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1" 2019-02-25 15:33:41 0 [Note] InnoDB: Creating shared tablespace for temporary tables 2019-02-25 15:33:41 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ... 2019-02-25 15:33:41 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB. 2019-02-25 15:33:41 0 [Note] InnoDB: Waiting for purge to start 2019-02-25 15:33:41 0 [Note] InnoDB: 10.4.2 started; log sequence number 70943075813; transaction id 236 2019-02-25 15:33:41 0 [Note] Plugin 'FEEDBACK' is disabled. 2019-02-25 15:33:41 0 [Note] Recovering after a crash using tc.log 2019-02-25 15:33:41 0 [Note] Starting crash recovery... 2019-02-25 15:33:41 0 [Note] Crash recovery finished. 2019-02-25 15:33:48 0 [Note] Server socket created on IP: '0.0.0.0'. 2019-02-25 15:33:48 0 [Note] Server socket created on IP: '0.0.0.0'. 2019-02-25 15:33:48 6 [Note] Event Scheduler: scheduler thread started with id 6 2019-02-25 15:33:48 0 [Note] Reading of all Master_info entries succeded 2019-02-25 15:33:48 0 [Note] Added new Master_info '' to hash table 2019-02-25 15:33:48 0 [Note] /usr/sbin/mysqld: ready for connections. Version: '10.4.2-MariaDB-1:10.4.2+maria~bionic' socket: '/data/mysql/mysql.sock' port: 3306 mariadb.org binary distribution