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  1. MariaDB Server
  2. MDEV-19737

MariaDB 10.4.5 + RocksDB

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      Description

      Hello, each time when RocksDB not closed correctly or not enough space on system.

      we go a message like : "RocksDB is unknow storage on server". and most of time have to clean everything manually and uninstall plugin and reinstall.

      this time,(maybe a new improvement I got) :

      2019-06-11 19:53:24 853537 [Warning] mysqld: Disk is full writing '/mysql/binlog/mariadb-bin.000117' (Errcode: 28 "No space left on device"). Waiting for someone to free space... (Expect up to 60 secs delay for server to continue after freeing disk space)
      2019-06-11 19:53:24 853537 [Warning] mysqld: Retry in 60 secs. Message reprinted in 600 secs
      2019-06-11 19:53:41 0 [ERROR] RocksDB: Error detected in background, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008017.sst: No space left on device
      2019-06-11 19:53:41 0 [ERROR] RocksDB: BackgroundErrorReason: 1
      2019-06-11 19:53:41 0 [ERROR] LibRocksDB:[/home/buildbot/buildbot/build/mariadb-10.4.5/storage/rocksdb/rocksdb/db/db_impl_compaction_flush.cc:1520] Waiting after background compaction error: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008017.sst: No space left on device, Accumulated background error counts: 1
      2019-06-11 19:54:24 853540 [ERROR] RocksDB: Error detected in background, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008017.sst: No space left on device
      2019-06-11 19:54:24 853540 [ERROR] RocksDB: BackgroundErrorReason: 2
      2019-06-11 19:54:24 853540 [ERROR] RocksDB: failed to write to WAL, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008017.sst: No space left on device
      2019-06-11 19:54:24 853540 [ERROR] MyRocks: aborting on WAL write error.
      190611 19:54:24 [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: 10.4.5-MariaDB-1:10.4.5+maria~bionic-log
      key_buffer_size=134217728
      read_buffer_size=2097152
      max_used_connections=21
      max_threads=102
      thread_count=49
      It is possible that mysqld could use up to
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 760240 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7f48891df008
      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 = 0x7f4892978d68 thread_stack 0x49000
      /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x5605648ba2ce]
      /usr/sbin/mysqld(handle_fatal_signal+0x515)[0x560564335275]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x12890)[0x7f48faedc890]
      /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x7f48fa1ece97]
      /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x7f48fa1ee801]
      /usr/lib/mysql/plugin/ha_rocksdb.so(_ZN7myrocks19rdb_handle_io_errorEN7rocksdb6StatusENS_17RDB_IO_ERROR_TYPEE+0x9c)[0x7f48881e755c]
      /usr/lib/mysql/plugin/ha_rocksdb.so(_ZN7myrocks20Rdb_transaction_impl16commit_no_binlogEv+0x189)[0x7f4888202669]
      /usr/lib/mysql/plugin/ha_rocksdb.so(+0x1ec337)[0x7f48881e3337]
      /usr/sbin/mysqld(_ZN6TC_LOG18run_commit_orderedEP3THDb+0x3d)[0x560564416a7d]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG23trx_group_commit_leaderEPNS_18group_commit_entryE+0x3a9)[0x56056441be89]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG34write_transaction_to_binlog_eventsEPNS_18group_commit_entryE+0x21b)[0x56056441c3bb]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG27write_transaction_to_binlogEP3THDP17binlog_cache_mngrP9Log_eventbbb+0x1d7)[0x56056441c7e7]
      /usr/sbin/mysqld(+0x9388bf)[0x56056441c8bf]
      /usr/sbin/mysqld(+0x9394a2)[0x56056441d4a2]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG13log_and_orderEP3THDybbb+0x44)[0x56056441d654]
      /usr/sbin/mysqld(_Z15ha_commit_transP3THDb+0xb72)[0x560564343632]
      /usr/sbin/mysqld(_Z17trans_commit_stmtP3THD+0x3f)[0x56056421bb6f]
      /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0xaad)[0x56056412763d]
      /usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x22a)[0x56056412fcca]
      /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0x166d)[0x56056413248d]
      /usr/sbin/mysqld(_Z10do_commandP3THD+0x148)[0x5605641338f8]
      /usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x2c2)[0x56056420d4c2]
      /usr/sbin/mysqld(handle_one_connection+0x3d)[0x56056420d58d]
      /usr/sbin/mysqld(+0xd8323a)[0x56056486723a]
      nptl/pthread_create.c:463(start_thread)[0x7f48faed16db]
      /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7f48fa2cf88f]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7f48892171d0): UPDATE `mysql_server` SET `error` ='unserialize(): Error at offset 20480 of 20480 bytes',                  `date_refresh` = '2019-06-11 19:53:24',                     `is_available` = 0 WHERE id =48
      Connection ID (thread ID): 853540
      Status: NOT_KILLED
       
      Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on
       
      The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
      information that should help you find out what is causing the crash.
      Writing a core file...
      Working directory at /mysql/data
      Resource Limits:
      Limit                     Soft Limit           Hard Limit           Units
      Max cpu time              unlimited            unlimited            seconds
      Max file size             unlimited            unlimited            bytes
      Max data size             unlimited            unlimited            bytes
      Max stack size            8388608              unlimited            bytes
      Max core file size        0                    unlimited            bytes
      Max resident set          unlimited            unlimited            bytes
      Max processes             63340                63340                processes
      Max open files            16364                16364                files
      Max locked memory         16777216             16777216             bytes
      Max address space         unlimited            unlimited            bytes
      Max file locks            unlimited            unlimited            locks
      Max pending signals       63340                63340                signals
      Max msgqueue size         819200               819200               bytes
      Max nice priority         0                    0
      Max realtime priority     0                    0
      Max realtime timeout      unlimited            unlimited            us
      Core pattern: |/usr/share/apport/apport %p %s %c %d %P
       
      2019-06-11 19:54:32 0 [Note] mysqld: Aria engine: starting recovery
      recovered pages: 0% 41% 57% 72% 86% 100% (0.0 seconds); tables to flush: 2 1 0 (0.0 seconds);
      2019-06-11 19:54:32 0 [Note] mysqld: Aria engine: recovery done
      2019-06-11 19:54:32 0 [Note] InnoDB: Using Linux native AIO
      2019-06-11 19:54:32 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
      2019-06-11 19:54:32 0 [Note] InnoDB: Uses event mutexes
      2019-06-11 19:54:32 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
      2019-06-11 19:54:32 0 [Note] InnoDB: Number of pools: 1
      2019-06-11 19:54:32 0 [Note] InnoDB: Using SSE2 crc32 instructions
      2019-06-11 19:54:32 0 [Note] mysqld: O_TMPFILE is not supported on /tmp (disabling future attempts)
      2019-06-11 19:54:32 0 [Note] InnoDB: Initializing buffer pool, total size = 1G, instances = 1, chunk size = 128M
      2019-06-11 19:54:32 0 [Note] InnoDB: Completed initialization of buffer pool
      2019-06-11 19:54:32 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
      2019-06-11 19:54:32 0 [Note] InnoDB: Starting crash recovery from checkpoint LSN=15154203349
      2019-06-11 19:54:32 0 [Note] InnoDB: Transaction 4309429 was in the XA prepared state.
      2019-06-11 19:54:32 0 [Note] InnoDB: Transaction 4309430 was in the XA prepared state.
      2019-06-11 19:54:32 0 [Note] InnoDB: Transaction 4309431 was in the XA prepared state.
      2019-06-11 19:54:32 0 [Note] InnoDB: Transaction 4309440 was in the XA prepared state.
      2019-06-11 19:54:32 0 [Note] InnoDB: Transaction 4309426 was in the XA prepared state.
      2019-06-11 19:54:32 0 [Note] InnoDB: Transaction 4309427 was in the XA prepared state.
      2019-06-11 19:54:32 0 [Note] InnoDB: 6 transaction(s) which must be rolled back or cleaned up in total 0 row operations to undo
      2019-06-11 19:54:32 0 [Note] InnoDB: Trx id counter is 4309447
      2019-06-11 19:54:32 0 [Note] InnoDB: Starting final batch to recover 1 pages from redo log.
      2019-06-11 19:54:33 0 [Note] InnoDB: Last binlog file '/mysql/binlog/mariadb-bin.000117', position 558788296
      2019-06-11 19:54:33 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
      2019-06-11 19:54:33 0 [Note] InnoDB: Starting in background the rollback of recovered transactions
      2019-06-11 19:54:33 0 [Note] InnoDB: Rollback of non-prepared transactions completed
      2019-06-11 19:54:33 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
      2019-06-11 19:54:33 0 [Note] InnoDB: Creating shared tablespace for temporary tables
      2019-06-11 19:54:33 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
      2019-06-11 19:54:33 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
      2019-06-11 19:54:33 0 [Note] InnoDB: Waiting for purge to start
      2019-06-11 19:54:33 0 [Note] InnoDB: 10.4.5 started; log sequence number 15154204735; transaction id 4309449
      2019-06-11 19:54:33 0 [Note] InnoDB: Loading buffer pool(s) from /mysql/data/ib_buffer_pool
      2019-06-11 19:54:33 0 [Note] Plugin 'FEEDBACK' is disabled.
      2019-06-11 19:54:33 0 [Note] RocksDB: 2 column families found
      2019-06-11 19:54:33 0 [Note] RocksDB: Column Families at start:
      2019-06-11 19:54:33 0 [Note]   cf=default
      2019-06-11 19:54:33 0 [Note]     write_buffer_size=67108864
      2019-06-11 19:54:33 0 [Note]     target_file_size_base=67108864
      2019-06-11 19:54:33 0 [Note]   cf=__system__
      2019-06-11 19:54:33 0 [Note]     write_buffer_size=67108864
      2019-06-11 19:54:33 0 [Note]     target_file_size_base=67108864
      2019-06-11 19:54:34 0 [Note] InnoDB: Buffer pool(s) load completed at 190611 19:54:34
      2019-06-11 19:54:46 0 [Note] RocksDB: Table_store: loaded DDL data for 30 tables
      2019-06-11 19:54:46 0 [Note] RocksDB: global statistics using get_sched_indexer_t indexer
      2019-06-11 19:54:46 0 [Note] MyRocks storage engine plugin has been successfully initialized.
      2019-06-11 19:54:46 0 [Note] Recovering after a crash using /mysql/binlog/mariadb-bin
      2019-06-11 19:54:46 0 [ERROR] Error in Log_event::read_log_event(): 'Event truncated', data_len: 12742, event_type: 23
      2019-06-11 19:54:46 0 [Note] Starting crash recovery...
      2019-06-11 19:54:46 0 [Note] InnoDB: Starting recovery for XA transactions...
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction 4309440 in prepared state after recovery
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction 4309426 in prepared state after recovery
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction 4309430 in prepared state after recovery
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction 4309429 in prepared state after recovery
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction contains changes to 6 rows
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction 4309431 in prepared state after recovery
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction 4309427 in prepared state after recovery
      2019-06-11 19:54:46 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:54:46 0 [Note] InnoDB: 6 transactions in prepared state after recovery
      2019-06-11 19:54:46 0 [Note] Found 6 prepared transaction(s) in InnoDB
      2019-06-11 19:54:46 0 [Note] Found 1 prepared transaction(s) in ROCKSDB
      2019-06-11 19:54:46 0 [Note] Crash recovery finished.
      2019-06-11 19:54:46 0 [Note] Server socket created on IP: '0.0.0.0'.
      2019-06-11 19:54:46 0 [Warning] 'proxies_priv' entry '@% root@aurelien-rdc' ignored in --skip-name-resolve mode.
      2019-06-11 19:54:46 27 [Note] Event Scheduler: scheduler thread started with id 27
      2019-06-11 19:54:46 0 [Note] Reading of all Master_info entries succeded
      2019-06-11 19:54:46 0 [Note] Added new Master_info '' to hash table
      2019-06-11 19:54:46 0 [Note] /usr/sbin/mysqld: ready for connections.
      Version: '10.4.5-MariaDB-1:10.4.5+maria~bionic-log'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  mariadb.org binary distribution
      2019-06-11 19:56:04 1469 [ERROR] mysqld: Error writing file '/mysql/binlog/mariadb-bin' (errno: 28 "No space left on device")
      2019-06-11 19:56:05 1495 [Warning] mysqld: Disk is full writing '/mysql/binlog/mariadb-bin.000118' (Errcode: 28 "No space left on device"). Waiting for someone to free space... (Expect up to 60 secs delay for server to continue after freeing disk space)
      2019-06-11 19:56:05 1495 [Warning] mysqld: Retry in 60 secs. Message reprinted in 600 secs
      2019-06-11 19:56:24 0 [ERROR] RocksDB: Error detected in background, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008037.sst: No space left on device
      2019-06-11 19:56:24 0 [ERROR] RocksDB: BackgroundErrorReason: 1
      2019-06-11 19:56:24 0 [ERROR] LibRocksDB:[/home/buildbot/buildbot/build/mariadb-10.4.5/storage/rocksdb/rocksdb/db/db_impl_compaction_flush.cc:1520] Waiting after background compaction error: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008037.sst: No space left on device, Accumulated background error counts: 1
      2019-06-11 19:57:05 1494 [ERROR] RocksDB: Error detected in background, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008037.sst: No space left on device
      2019-06-11 19:57:05 1494 [ERROR] RocksDB: BackgroundErrorReason: 2
      2019-06-11 19:57:05 1494 [ERROR] RocksDB: failed to write to WAL, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008037.sst: No space left on device
      2019-06-11 19:57:05 1494 [ERROR] MyRocks: aborting on WAL write error.
      190611 19:57:05 [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: 10.4.5-MariaDB-1:10.4.5+maria~bionic-log
      key_buffer_size=134217728
      read_buffer_size=2097152
      max_used_connections=19
      max_threads=102
      thread_count=47
      It is possible that mysqld could use up to
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 760240 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7f8523c9e008
      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 = 0x7f856915fd68 thread_stack 0x49000
      /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x56307e7042ce]
      /usr/sbin/mysqld(handle_fatal_signal+0x515)[0x56307e17f275]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x12890)[0x7f858571a890]
      linux/raise.c:51(__GI_raise)[0x7f8584a2ae97]
      stdlib/abort.c:81(__GI_abort)[0x7f8584a2c801]
      /usr/lib/mysql/plugin/ha_rocksdb.so(_ZN7myrocks19rdb_handle_io_errorEN7rocksdb6StatusENS_17RDB_IO_ERROR_TYPEE+0x9c)[0x7f85125e755c]
      /usr/lib/mysql/plugin/ha_rocksdb.so(_ZN7myrocks20Rdb_transaction_impl16commit_no_binlogEv+0x189)[0x7f8512602669]
      /usr/lib/mysql/plugin/ha_rocksdb.so(+0x1ec337)[0x7f85125e3337]
      /usr/sbin/mysqld(_ZN6TC_LOG18run_commit_orderedEP3THDb+0x3d)[0x56307e260a7d]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG23trx_group_commit_leaderEPNS_18group_commit_entryE+0x3a9)[0x56307e265e89]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG34write_transaction_to_binlog_eventsEPNS_18group_commit_entryE+0x21b)[0x56307e2663bb]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG27write_transaction_to_binlogEP3THDP17binlog_cache_mngrP9Log_eventbbb+0x1d7)[0x56307e2667e7]
      /usr/sbin/mysqld(+0x9388bf)[0x56307e2668bf]
      /usr/sbin/mysqld(+0x9394a2)[0x56307e2674a2]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG13log_and_orderEP3THDybbb+0x44)[0x56307e267654]
      /usr/sbin/mysqld(_Z15ha_commit_transP3THDb+0xb72)[0x56307e18d632]
      /usr/sbin/mysqld(_Z17trans_commit_stmtP3THD+0x3f)[0x56307e065b6f]
      /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0xaad)[0x56307df7163d]
      /usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x22a)[0x56307df79cca]
      /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0x166d)[0x56307df7c48d]
      /usr/sbin/mysqld(_Z10do_commandP3THD+0x148)[0x56307df7d8f8]
      /usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x2c2)[0x56307e0574c2]
      /usr/sbin/mysqld(handle_one_connection+0x3d)[0x56307e05758d]
      /usr/sbin/mysqld(+0xd8323a)[0x56307e6b123a]
      nptl/pthread_create.c:463(start_thread)[0x7f858570f6db]
      /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7f8584b0d88f]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7f8523ccd1d0): UPDATE `mysql_server` SET `error` ='mysqli_connect(): (HY000/2002): No route to host',                  `date_refresh` = '2019-06-11 19:56:05',                     `is_available` = 0 WHERE id =27
      Connection ID (thread ID): 1494
      Status: NOT_KILLED
       
      Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on
       
      The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
      information that should help you find out what is causing the crash.
      Writing a core file...
      Working directory at /mysql/data
      Resource Limits:
      Limit                     Soft Limit           Hard Limit           Units
      Max cpu time              unlimited            unlimited            seconds
      Max file size             unlimited            unlimited            bytes
      Max data size             unlimited            unlimited            bytes
      Max stack size            8388608              unlimited            bytes
      Max core file size        0                    unlimited            bytes
      Max resident set          unlimited            unlimited            bytes
      Max processes             63340                63340                processes
      Max open files            16364                16364                files
      Max locked memory         16777216             16777216             bytes
      Max address space         unlimited            unlimited            bytes
      Max file locks            unlimited            unlimited            locks
      Max pending signals       63340                63340                signals
      Max msgqueue size         819200               819200               bytes
      Max nice priority         0                    0
      Max realtime priority     0                    0
      Max realtime timeout      unlimited            unlimited            us
      Core pattern: |/usr/share/apport/apport %p %s %c %d %P
       
      2019-06-11 19:57:12 0 [Note] InnoDB: Using Linux native AIO
      2019-06-11 19:57:12 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
      2019-06-11 19:57:12 0 [Note] InnoDB: Uses event mutexes
      2019-06-11 19:57:12 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
      2019-06-11 19:57:12 0 [Note] InnoDB: Number of pools: 1
      2019-06-11 19:57:12 0 [Note] InnoDB: Using SSE2 crc32 instructions
      2019-06-11 19:57:12 0 [Note] mysqld: O_TMPFILE is not supported on /tmp (disabling future attempts)
      2019-06-11 19:57:12 0 [Note] InnoDB: Initializing buffer pool, total size = 1G, instances = 1, chunk size = 128M
      2019-06-11 19:57:12 0 [Note] InnoDB: Completed initialization of buffer pool
      2019-06-11 19:57:12 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
      2019-06-11 19:57:12 0 [Note] InnoDB: Starting crash recovery from checkpoint LSN=15157567605
      2019-06-11 19:57:12 0 [Note] InnoDB: Transaction 4310432 was in the XA prepared state.
      2019-06-11 19:57:12 0 [Note] InnoDB: Transaction 4310433 was in the XA prepared state.
      2019-06-11 19:57:12 0 [Note] InnoDB: Transaction 4310434 was in the XA prepared state.
      2019-06-11 19:57:12 0 [Note] InnoDB: Transaction 4310443 was in the XA prepared state.
      2019-06-11 19:57:12 0 [Note] InnoDB: Transaction 4310455 was in the XA prepared state.
      2019-06-11 19:57:12 0 [Note] InnoDB: Transaction 4310456 was in the XA prepared state.
      2019-06-11 19:57:12 0 [Note] InnoDB: 6 transaction(s) which must be rolled back or cleaned up in total 0 row operations to undo
      2019-06-11 19:57:12 0 [Note] InnoDB: Trx id counter is 4310457
      2019-06-11 19:57:12 0 [Note] InnoDB: Starting final batch to recover 1 pages from redo log.
      2019-06-11 19:57:13 0 [Note] InnoDB: Last binlog file '/mysql/binlog/mariadb-bin.000118', position 44886862
      2019-06-11 19:57:13 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
      2019-06-11 19:57:13 0 [Note] InnoDB: Starting in background the rollback of recovered transactions
      2019-06-11 19:57:13 0 [Note] InnoDB: Rollback of non-prepared transactions completed
      2019-06-11 19:57:13 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
      2019-06-11 19:57:13 0 [Note] InnoDB: Creating shared tablespace for temporary tables
      2019-06-11 19:57:13 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
      2019-06-11 19:57:13 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
      2019-06-11 19:57:13 0 [Note] InnoDB: Waiting for purge to start
      2019-06-11 19:57:13 0 [Note] InnoDB: 10.4.5 started; log sequence number 15157569056; transaction id 4310459
      2019-06-11 19:57:13 0 [Note] InnoDB: Loading buffer pool(s) from /mysql/data/ib_buffer_pool
      2019-06-11 19:57:13 0 [Note] Plugin 'FEEDBACK' is disabled.
      2019-06-11 19:57:13 0 [Note] RocksDB: 2 column families found
      2019-06-11 19:57:13 0 [Note] RocksDB: Column Families at start:
      2019-06-11 19:57:13 0 [Note]   cf=default
      2019-06-11 19:57:13 0 [Note]     write_buffer_size=67108864
      2019-06-11 19:57:13 0 [Note]     target_file_size_base=67108864
      2019-06-11 19:57:13 0 [Note]   cf=__system__
      2019-06-11 19:57:13 0 [Note]   cf=__system__
      2019-06-11 19:57:13 0 [Note]     write_buffer_size=67108864
      2019-06-11 19:57:13 0 [Note]     target_file_size_base=67108864
      2019-06-11 19:57:14 0 [Note] InnoDB: Buffer pool(s) load completed at 190611 19:57:14
      2019-06-11 19:57:24 0 [Note] RocksDB: Table_store: loaded DDL data for 30 tables
      2019-06-11 19:57:24 0 [Note] RocksDB: global statistics using get_sched_indexer_t indexer
      2019-06-11 19:57:24 0 [Note] MyRocks storage engine plugin has been successfully initialized.
      2019-06-11 19:57:24 0 [Note] Recovering after a crash using /mysql/binlog/mariadb-bin
      2019-06-11 19:57:25 0 [Note] Starting crash recovery...
      2019-06-11 19:57:25 0 [Note] InnoDB: Starting recovery for XA transactions...
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction 4310434 in prepared state after recovery
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction 4310432 in prepared state after recovery
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction 4310456 in prepared state after recovery
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction 4310443 in prepared state after recovery
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction contains changes to 10 rows
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction 4310455 in prepared state after recovery
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction 4310433 in prepared state after recovery
      2019-06-11 19:57:25 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:57:25 0 [Note] InnoDB: 6 transactions in prepared state after recovery
      2019-06-11 19:57:25 0 [Note] Found 6 prepared transaction(s) in InnoDB
      2019-06-11 19:57:25 0 [Note] Found 1 prepared transaction(s) in ROCKSDB
      2019-06-11 19:57:25 0 [Note] Crash recovery finished.
      2019-06-11 19:57:25 0 [Note] Server socket created on IP: '0.0.0.0'.
      2019-06-11 19:57:25 0 [Warning] 'proxies_priv' entry '@% root@aurelien-rdc' ignored in --skip-name-resolve mode.
      2019-06-11 19:57:25 27 [Note] Event Scheduler: scheduler thread started with id 27
      2019-06-11 19:57:25 0 [Note] Reading of all Master_info entries succeded
      2019-06-11 19:57:25 0 [Note] Added new Master_info '' to hash table
      2019-06-11 19:57:25 0 [Note] /usr/sbin/mysqld: ready for connections.
      Version: '10.4.5-MariaDB-1:10.4.5+maria~bionic-log'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  mariadb.org binary distribution
      2019-06-11 19:58:26 823 [Warning] mysqld: Disk is full writing '/mysql/binlog/mariadb-bin.000119' (Errcode: 28 "No space left on device"). Waiting for someone to free space... (Expect up to 60 secs delay for server to continue after freeing disk space)
      2019-06-11 19:58:26 823 [Warning] mysqld: Retry in 60 secs. Message reprinted2019-06-11 19:58:41 0 [ERROR] RocksDB: Error detected in background, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008045.sst: No space left on device
      2019-06-11 19:58:41 0 [ERROR] RocksDB: BackgroundErrorReason: 1
      2019-06-11 19:58:41 0 [ERROR] LibRocksDB:[/home/buildbot/buildbot/build/mariadb-10.4.5/storage/rocksdb/rocksdb/db/db_impl_compaction_flush.cc:1520] Waiting after background compaction error: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008045.sst: No space left on device, Accumulated background error counts: 1
      2019-06-11 19:59:26 824 [ERROR] RocksDB: Error detected in background, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008045.sst: No space left on device
      2019-06-11 19:59:26 824 [ERROR] RocksDB: BackgroundErrorReason: 2
      2019-06-11 19:59:26 824 [ERROR] RocksDB: failed to write to WAL, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008045.sst: No space left on device
      2019-06-11 19:59:26 824 [ERROR] MyRocks: aborting on WAL write error.
      190611 19:59:26 [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: 10.4.5-MariaDB-1:10.4.5+maria~bionic-log
      key_buffer_size=134217728
      read_buffer_size=2097152
      max_used_connections=20
      max_threads=102
      thread_count=48
      It is possible that mysqld could use up to
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 760240 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7f8ee3c96008
      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 = 0x7f8ef6499d68 thread_stack 0x49000
      /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x56092509e2ce]
      /usr/sbin/mysqld(handle_fatal_signal+0x515)[0x560924b19275]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x12890)[0x7f8f00729890]
      linux/raise.c:51(__GI_raise)[0x7f8effa39e97]
      stdlib/abort.c:81(__GI_abort)[0x7f8effa3b801]
      /usr/lib/mysql/plugin/ha_rocksdb.so(_ZN7myrocks19rdb_handle_io_errorEN7rocksdb6StatusENS_17RDB_IO_ERROR_TYPEE+0x9c)[0x7f8e8d1e755c]
      /usr/lib/mysql/plugin/ha_rocksdb.so(_ZN7myrocks20Rdb_transaction_impl16commit_no_binlogEv+0x189)[0x7f8e8d202669]
      /usr/lib/mysql/plugin/ha_rocksdb.so(+0x1ec337)[0x7f8e8d1e3337]
      /usr/sbin/mysqld(_ZN6TC_LOG18run_commit_orderedEP3THDb+0x3d)[0x560924bfaa7d]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG23trx_group_commit_leaderEPNS_18group_commit_entryE+0x3a9)[0x560924bffe89]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG34write_transaction_to_binlog_eventsEPNS_18group_commit_entryE+0x21b)[0x560924c003bb]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG27write_transaction_to_binlogEP3THDP17binlog_cache_mngrP9Log_eventbbb+0x1d7)[0x560924c007e7]
      /usr/sbin/mysqld(+0x9388bf)[0x560924c008bf]
      /usr/sbin/mysqld(+0x9394a2)[0x560924c014a2]
      /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG13log_and_orderEP3THDybbb+0x44)[0x560924c01654]
      /usr/sbin/mysqld(_Z15ha_commit_transP3THDb+0xb72)[0x560924b27632]
      /usr/sbin/mysqld(_Z17trans_commit_stmtP3THD+0x3f)[0x5609249ffb6f]
      /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0xaad)[0x56092490b63d]
      /usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x22a)[0x560924913cca]
      /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0x166d)[0x56092491648d]
      /usr/sbin/mysqld(_Z10do_commandP3THD+0x148)[0x5609249178f8]
      /usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x2c2)[0x5609249f14c2]
      /usr/sbin/mysqld(handle_one_connection+0x3d)[0x5609249f158d]
      /usr/sbin/mysqld(+0xd8323a)[0x56092504b23a]
      nptl/pthread_create.c:463(start_thread)[0x7f8f0071e6db]
      /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7f8effb1c88f]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7f8ee3cc51d0): UPDATE `mysql_server` SET `error` ='mysqli_connect(): (HY000/2002): No route to host',                  `date_refresh` = '2019-06-11 19:58:26',                     `is_available` = 0 WHERE id =57
      Connection ID (thread ID): 824
      Status: NOT_KILLED
       
      Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on
       
      The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
      information that should help you find out what is causing the crash.
      Writing a core file...
      Working directory at /mysql/data
      Resource Limits:
      Limit                     Soft Limit           Hard Limit           Units
      Max cpu time              unlimited            unlimited            seconds
      Max file size             unlimited            unlimited            bytes
      Max data size             unlimited            unlimited            bytes
      Max stack size            8388608              unlimited            bytes
      Max core file size        0                    unlimited            bytes
      Max resident set          unlimited            unlimited            bytes
      Max processes             63340                63340                processes
      Max open files            16364                16364                files
      Max locked memory         16777216             16777216             bytes
      Max address space         unlimited            unlimited            bytes
      Max file locks            unlimited            unlimited            locks
      Max pending signals       63340                63340                signals
      Max msgqueue size         819200               819200               bytes
      Max nice priority         0                    0
      Max realtime priority     0                    0
      Max realtime timeout      unlimited            unlimited            us
      Core pattern: |/usr/share/apport/apport %p %s %c %d %P
       
      2019-06-11 19:59:33 0 [Note] InnoDB: Using Linux native AIO
      2019-06-11 19:59:33 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
      2019-06-11 19:59:33 0 [Note] InnoDB: Uses event mutexes
      2019-06-11 19:59:33 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
      2019-06-11 19:59:33 0 [Note] InnoDB: Number of pools: 1
      2019-06-11 19:59:33 0 [Note] InnoDB: Using SSE2 crc32 instructions
      2019-06-11 19:59:33 0 [Note] mysqld: O_TMPFILE is not supported on /tmp (disabling future attempts)
      2019-06-11 19:59:33 0 [Note] InnoDB: Initializing buffer pool, total size = 1G, instances = 1, chunk size = 128M
      2019-06-11 19:59:33 0 [Note] InnoDB: Completed initialization of buffer pool
      2019-06-11 19:59:33 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
      2019-06-11 19:59:33 0 [Note] InnoDB: Starting crash recovery from checkpoint LSN=15158991006
      2019-06-11 19:59:33 0 [Note] InnoDB: Transaction 4310882 was in the XA prepared state.
      2019-06-11 19:59:33 0 [Note] InnoDB: Transaction 4310883 was in the XA prepared state.
      2019-06-11 19:59:33 0 [Note] InnoDB: Transaction 4310884 was in the XA prepared state.
      2019-06-11 19:59:33 0 [Note] InnoDB: Transaction 4310885 was in the XA prepared state.
      2019-06-11 19:59:33 0 [Note] InnoDB: Transaction 4310886 was in the XA prepared state.
      2019-06-11 19:59:33 0 [Note] InnoDB: Transaction 4310887 was in the XA prepared state.
      2019-06-11 19:59:33 0 [Note] InnoDB: Transaction 4310888 was in the XA prepared state.
      2019-06-11 19:59:33 0 [Note] InnoDB: Transaction 4310889 was in the XA prepared state.
      2019-06-11 19:59:33 0 [Note] InnoDB: Transaction 4310890 was in the XA prepared state.
      2019-06-11 19:59:33 0 [Note] InnoDB: 9 transaction(s) which must be rolled back or cleaned up in total 0 row operations to undo
      2019-06-11 19:59:33 0 [Note] InnoDB: Trx id counter is 4310905
      2019-06-11 19:59:33 0 [Note] InnoDB: Last binlog file '/mysql/binlog/mariadb-bin.000119', position 22886892
      2019-06-11 19:59:33 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
      2019-06-11 19:59:33 0 [Note] InnoDB: Starting in background the rollback of recovered transactions
      2019-06-11 19:59:33 0 [Note] InnoDB: Rollback of non-prepared transactions completed
      2019-06-11 19:59:33 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
      2019-06-11 19:59:33 0 [Note] InnoDB: Creating shared tablespace for temporary tables
      2019-06-11 19:59:33 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
      2019-06-11 19:59:33 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
      2019-06-11 19:59:33 0 [Note] InnoDB: Waiting for purge to start
      2019-06-11 19:59:33 0 [Note] InnoDB: 10.4.5 started; log sequence number 15158991217; transaction id 4310907
      2019-06-11 19:59:33 0 [Note] InnoDB: Loading buffer pool(s) from /mysql/data/ib_buffer_pool
      2019-06-11 19:59:33 0 [Note] Plugin 'FEEDBACK' is disabled.
      2019-06-11 19:59:33 0 [Note] RocksDB: 2 column families found
      2019-06-11 19:59:33 0 [Note] RocksDB: Column Families at start:
      2019-06-11 19:59:33 0 [Note]   cf=default
      2019-06-11 19:59:33 0 [Note]     write_buffer_size=67108864
      2019-06-11 19:59:33 0 [Note]     target_file_size_base=67108864
      2019-06-11 19:59:33 0 [Note]   cf=__system__
      2019-06-11 19:59:33 0 [Note]     write_buffer_size=67108864
      2019-06-11 19:59:33 0 [Note]     target_file_size_base=67108864
      2019-06-11 19:59:34 0 [Note] InnoDB: Buffer pool(s) load completed at 190611 19:59:34
      2019-06-11 19:59:43 0 [Note] RocksDB: Table_store: loaded DDL data for 30 tables
      2019-06-11 19:59:43 0 [Note] RocksDB: global statistics using get_sched_indexer_t indexer
      2019-06-11 19:59:43 0 [Note] MyRocks storage engine plugin has been successfully initialized.
      2019-06-11 19:59:43 0 [Note] Recovering after a crash using /mysql/binlog/mariadb-bin
      2019-06-11 19:59:43 0 [Note] Starting crash recovery...
      2019-06-11 19:59:43 0 [Note] InnoDB: Starting recovery for XA transactions...
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction 4310884 in prepared state after recovery
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction contains changes to 10 rows
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction 4310886 in prepared state after recovery
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction 4310890 in prepared state after recovery
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction 4310882 in prepared state after recovery
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction 4310885 in prepared state after recovery
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction 4310889 in prepared state after recovery
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction 4310883 in prepared state after recovery
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction 4310888 in prepared state after recovery
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction 4310887 in prepared state after recovery
      2019-06-11 19:59:43 0 [Note] InnoDB: Transaction contains changes to 1 rows
      2019-06-11 19:59:43 0 [Note] InnoDB: 9 transactions in prepared state after recovery
      2019-06-11 19:59:43 0 [Note] Found 9 prepared transaction(s) in InnoDB
      2019-06-11 19:59:43 0 [Note] Found 1 prepared transaction(s) in ROCKSDB
      2019-06-11 19:59:43 0 [Note] Crash recovery finished.
      2019-06-11 19:59:43 0 [Note] Server socket created on IP: '0.0.0.0'.
      2019-06-11 19:59:43 0 [Warning] 'proxies_priv' entry '@% root@aurelien-rdc' ignored in --skip-name-resolve mode.
      2019-06-11 19:59:43 27 [Note] Event Scheduler: scheduler thread started with id 27
      2019-06-11 19:59:43 0 [Note] Reading of all Master_info entries succeded
      2019-06-11 19:59:43 0 [Note] Added new Master_info '' to hash table
      2019-06-11 19:59:43 0 [Note] /usr/sbin/mysqld: ready for connections.
      Version: '10.4.5-MariaDB-1:10.4.5+maria~bionic-log'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  mariadb.org binary distribution
      2019-06-11 20:00:46 1281 [Warning] mysqld: Disk is full writing '/mysql/binlog/mariadb-bin.000120' (Errcode: 28 "No space left on device"). Waiting for someone to free space... (Expect up to 60 secs delay for server to continue after freeing disk space)
      2019-06-11 20:00:46 1281 [Warning] mysqld: Retry in 60 secs. Message reprinted in 600 secs
      2019-06-11 20:01:07 0 [ERROR] RocksDB: Error detected in background, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008054.sst: No space left on device
      2019-06-11 20:01:07 0 [ERROR] RocksDB: BackgroundErrorReason: 1
      2019-06-11 20:01:07 0 [ERROR] LibRocksDB:[/home/buildbot/buildbot/build/mariadb-10.4.5/storage/rocksdb/rocksdb/db/db_impl_compaction_flush.cc:1520] Waiting after background compaction error: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008054.sst: No space left on device, Accumulated background error counts: 1
      2019-06-11 20:01:08 0 [ERROR] LibRocksDB:[/home/buildbot/buildbot/build/mariadb-10.4.5/storage/rocksdb/rocksdb/db/db_impl_compaction_flush.cc:1520] Waiting after background compaction error: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008054.sst: No space left on device, Accumulated background error counts: 2
      2019-06-11 20:01:46 1281 [ERROR] RocksDB: Error detected in background, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008054.sst: No space left on device
      2019-06-11 20:01:46 1281 [ERROR] RocksDB: BackgroundErrorReason: 2
      2019-06-11 20:01:46 1281 [ERROR] RocksDB: failed to write to WAL, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008054.sst: No space left on device
      [...]
      2019-06-11 20:47:09 0 [Note] InnoDB: Using Linux native AIO
      2019-06-11 20:47:09 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
      2019-06-11 20:47:09 0 [Note] InnoDB: Uses event mutexes
      2019-06-11 20:47:09 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
      2019-06-11 20:47:09 0 [Note] InnoDB: Number of pools: 1
      2019-06-11 20:47:09 0 [Note] InnoDB: Using SSE2 crc32 instructions
      2019-06-11 20:47:09 0 [Note] mysqld: O_TMPFILE is not supported on /tmp (disabling future attempts)
      2019-06-11 20:47:09 0 [Note] InnoDB: Initializing buffer pool, total size = 1G, instances = 1, chunk size = 128M
      2019-06-11 20:47:09 0 [Note] InnoDB: Completed initialization of buffer pool
      2019-06-11 20:47:09 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
      2019-06-11 20:47:09 0 [Note] InnoDB: Starting crash recovery from checkpoint LSN=15240401077
      2019-06-11 20:47:09 0 [Note] InnoDB: Starting final batch to recover 26 pages from redo log.
      2019-06-11 20:47:09 0 [Note] InnoDB: Last binlog file '/mysql/binlog/mariadb-bin.000133', position 280935
      2019-06-11 20:47:10 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
      2019-06-11 20:47:10 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
      2019-06-11 20:47:10 0 [Note] InnoDB: Creating shared tablespace for temporary tables
      2019-06-11 20:47:10 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
      2019-06-11 20:47:10 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
      2019-06-11 20:47:10 0 [Note] InnoDB: Waiting for purge to start
      2019-06-11 20:47:10 0 [Note] InnoDB: 10.4.5 started; log sequence number 15240530718; transaction id 4335162
      2019-06-11 20:47:10 0 [Note] InnoDB: Loading buffer pool(s) from /mysql/data/ib_buffer_pool
      2019-06-11 20:47:10 0 [Note] Plugin 'FEEDBACK' is disabled.
      2019-06-11 20:47:10 0 [Note] RocksDB: 2 column families found
      2019-06-11 20:47:10 0 [Note] RocksDB: Column Families at start:
      2019-06-11 20:47:10 0 [Note]   cf=default
      2019-06-11 20:47:10 0 [Note]     write_buffer_size=67108864
      2019-06-11 20:47:10 0 [Note]     target_file_size_base=67108864
      2019-06-11 20:47:10 0 [Note]   cf=__system__
      2019-06-11 20:47:10 0 [Note]     write_buffer_size=67108864
      2019-06-11 20:47:10 0 [Note]     target_file_size_base=67108864
      2019-06-11 20:47:10 0 [Note] InnoDB: Buffer pool(s) load completed at 190611 20:47:10
      2019-06-11 20:47:11 0 [Note] RocksDB: Table_store: loaded DDL data for 30 tables
      2019-06-11 20:47:11 0 [Note] RocksDB: global statistics using get_sched_indexer_t indexer
      2019-06-11 20:47:11 0 [Note] MyRocks storage engine plugin has been successfully initialized.
       
      2019-06-11 20:47:11 0 [Note] Recovering after a crash using /mysql/binlog/mariadb-bin
      2019-06-11 20:47:11 0 [Note] Starting crash recovery...
      2019-06-11 20:47:11 0 [Note] Found 2 prepared transaction(s) in ROCKSDB
      2019-06-11 20:47:11 0 [Note] Crash recovery finished.
      2019-06-11 20:47:11 0 [Note] Server socket created on IP: '0.0.0.0'.
      2019-06-11 20:47:11 0 [Warning] 'proxies_priv' entry '@% root@aurelien-rdc' ignored in --skip-name-resolve mode.
      2019-06-11 20:47:11 27 [Note] Event Scheduler: scheduler thread started with id 27
      2019-06-11 20:47:11 0 [Note] Reading of all Master_info entries succeded
      2019-06-11 20:47:11 0 [Note] Added new Master_info '' to hash table
      2019-06-11 20:47:11 0 [Note] /usr/sbin/mysqld: ready for connections.
      Version: '10.4.5-MariaDB-1:10.4.5+maria~bionic-log'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  mariadb.org binary distribution
      2019-06-11 20:47:20 0 [ERROR] RocksDB: Error detected in background, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008373.sst: No space left on device
      2019-06-11 20:47:20 0 [ERROR] RocksDB: BackgroundErrorReason: 1
      2019-06-11 20:47:20 0 [ERROR] LibRocksDB:[/home/buildbot/buildbot/build/mariadb-10.4.5/storage/rocksdb/rocksdb/db/db_impl_compaction_flush.cc:1520] Waiting after background compaction error: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008373.sst: No space left on device, Accumulated background error counts: 1
      2019-06-11 20:47:21 0 [ERROR] LibRocksDB:[/home/buildbot/buildbot/build/mariadb-10.4.5/storage/rocksdb/rocksdb/db/db_impl_compaction_flush.cc:1520] Waiting after background compaction error: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008373.sst: No space left on device, Accumulated background error counts: 2
      2019-06-11 20:48:02 212 [ERROR] RocksDB: Error detected in background, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008373.sst: No space left on device
      2019-06-11 20:48:02 212 [ERROR] RocksDB: BackgroundErrorReason: 2
      2019-06-11 20:48:02 212 [ERROR] RocksDB: failed to write to WAL, Status Code: 5, Status: IO error: No space left on deviceWhile appending to file: ./#rocksdb/008373.sst: No space left on device
      2019-06-11 20:48:02 212 [ERROR] MyRocks: aborting on WAL write error.
      190611 20:48:02 [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: 10.4.5-MariaDB-1:10.4.5+maria~bionic-log
      key_buffer_size=134217728
      read_buffer_size=2097152
      max_used_connections=15
      max_threads=102
      thread_count=43
      It is possible that mysqld could use up to
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 760240 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7f26e71b3008
      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 = 0x7f274e46cd68 thread_stack 0x49000
      /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x561e5d5672ce]
      /usr/sbin/mysqld(handle_fatal_signal+0x515)[0x561e5cfe2275]
      [...]
      2019-06-11 10:17:21 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
      2019-06-11 10:17:21 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
      2019-06-11 10:17:21 0 [Note] InnoDB: Creating shared tablespace for temporary tables
      2019-06-11 10:17:21 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
      2019-06-11 10:17:21 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
      2019-06-11 10:17:21 0 [Note] InnoDB: Waiting for purge to start
      2019-06-11 10:17:21 0 [Note] InnoDB: 10.4.5 started; log sequence number 13266777338; transaction id 3794185
      2019-06-11 10:17:21 0 [Note] Plugin 'FEEDBACK'