[New LWP 19871] [New LWP 19867] [New LWP 19864] [New LWP 19863] [New LWP 19862] [New LWP 19861] [New LWP 19860] [New LWP 19859] [New LWP 19858] [New LWP 19857] [New LWP 19856] [New LWP 19855] [New LWP 19854] [New LWP 19853] [New LWP 19852] [New LWP 19851] [New LWP 19850] [New LWP 19849] [New LWP 19847] [New LWP 19846] [New LWP 19845] [New LWP 19844] [New LWP 19843] [New LWP 19842] [New LWP 19841] [New LWP 19840] [New LWP 19839] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". 0x00007ff69a6a54ed in poll () from /lib/x86_64-linux-gnu/libc.so.6 Thread 28 (Thread 0x7ff696460700 (LWP 19839)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x000055cf54cc299d in safe_cond_timedwait (cond=0x55cf561c7dc0 , mp=0x55cf561c7d00 , abstime=0x7ff69645feb0, file=0x55cf550c1a70 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1175) at /data/src/10.3/mysys/thr_mutex.c:546 #2 0x000055cf54cc393d in inline_mysql_cond_timedwait (that=0x55cf561c7dc0 , mutex=0x55cf561c7d00 , abstime=0x7ff69645feb0, src_file=0x55cf550c1aa0 "/data/src/10.3/mysys/thr_timer.c", src_line=292) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1175 #3 0x000055cf54cc4489 in timer_handler (arg=0x0) at /data/src/10.3/mysys/thr_timer.c:292 #4 0x000055cf547f8392 in pfs_spawn_thread (arg=0x55cf56d52150) at /data/src/10.3/storage/perfschema/pfs.cc:1863 #5 0x00007ff69c2c8494 in start_thread (arg=0x7ff696460700) at pthread_create.c:333 #6 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 27 (Thread 0x7ff6950f6700 (LWP 19840)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x000055cf54cc299d in safe_cond_timedwait (cond=0x55cf56165100 , mp=0x55cf56165040 , abstime=0x7ff6950f5e00, file=0x55cf54f1d3b0 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1175) at /data/src/10.3/mysys/thr_mutex.c:546 #2 0x000055cf54742edf in inline_mysql_cond_timedwait (that=0x55cf56165100 , mutex=0x55cf56165040 , abstime=0x7ff6950f5e00, src_file=0x55cf54f1d3e0 "/data/src/10.3/storage/maria/ma_servicethread.c", src_line=116) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1175 #3 0x000055cf547433f1 in my_service_thread_sleep (control=0x55cf5575fc00 , sleep_time=30000000000) at /data/src/10.3/storage/maria/ma_servicethread.c:115 #4 0x000055cf54737d16 in ma_checkpoint_background (arg=0x1e) at /data/src/10.3/storage/maria/ma_checkpoint.c:709 #5 0x000055cf547f8392 in pfs_spawn_thread (arg=0x55cf56d648d0) at /data/src/10.3/storage/perfschema/pfs.cc:1863 #6 0x00007ff69c2c8494 in start_thread (arg=0x7ff6950f6700) at pthread_create.c:333 #7 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 26 (Thread 0x7ff68f797700 (LWP 19841)): #0 0x00007ff69c0bf6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055cf548dd103 in LinuxAIOHandler::collect (this=0x7ff68f796c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896 #2 0x000055cf548dd630 in LinuxAIOHandler::poll (this=0x7ff68f796c40, m1=0x7ff68f796ce8, m2=0x7ff68f796cf0, request=0x7ff68f796d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041 #3 0x000055cf548dd790 in os_aio_linux_handler (global_segment=0, m1=0x7ff68f796ce8, m2=0x7ff68f796cf0, request=0x7ff68f796d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095 #4 0x000055cf548e2420 in os_aio_handler (segment=0, m1=0x7ff68f796ce8, m2=0x7ff68f796cf0, request=0x7ff68f796d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5723 #5 0x000055cf54b624ab in fil_aio_wait (segment=0) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5314 #6 0x000055cf549f0cb8 in io_handler_thread (arg=0x55cf561b0500 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007ff69c2c8494 in start_thread (arg=0x7ff68f797700) at pthread_create.c:333 #8 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 25 (Thread 0x7ff68ef96700 (LWP 19842)): #0 0x00007ff69c0bf6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055cf548dd103 in LinuxAIOHandler::collect (this=0x7ff68ef95c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896 #2 0x000055cf548dd630 in LinuxAIOHandler::poll (this=0x7ff68ef95c40, m1=0x7ff68ef95ce8, m2=0x7ff68ef95cf0, request=0x7ff68ef95d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041 #3 0x000055cf548dd790 in os_aio_linux_handler (global_segment=1, m1=0x7ff68ef95ce8, m2=0x7ff68ef95cf0, request=0x7ff68ef95d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095 #4 0x000055cf548e2420 in os_aio_handler (segment=1, m1=0x7ff68ef95ce8, m2=0x7ff68ef95cf0, request=0x7ff68ef95d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5723 #5 0x000055cf54b624ab in fil_aio_wait (segment=1) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5314 #6 0x000055cf549f0cb8 in io_handler_thread (arg=0x55cf561b0508 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007ff69c2c8494 in start_thread (arg=0x7ff68ef96700) at pthread_create.c:333 #8 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 24 (Thread 0x7ff68e795700 (LWP 19843)): #0 0x00007ff69c0bf6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055cf548dd103 in LinuxAIOHandler::collect (this=0x7ff68e794c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896 #2 0x000055cf548dd630 in LinuxAIOHandler::poll (this=0x7ff68e794c40, m1=0x7ff68e794ce8, m2=0x7ff68e794cf0, request=0x7ff68e794d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041 #3 0x000055cf548dd790 in os_aio_linux_handler (global_segment=2, m1=0x7ff68e794ce8, m2=0x7ff68e794cf0, request=0x7ff68e794d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095 #4 0x000055cf548e2420 in os_aio_handler (segment=2, m1=0x7ff68e794ce8, m2=0x7ff68e794cf0, request=0x7ff68e794d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5723 #5 0x000055cf54b624ab in fil_aio_wait (segment=2) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5314 #6 0x000055cf549f0cb8 in io_handler_thread (arg=0x55cf561b0510 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007ff69c2c8494 in start_thread (arg=0x7ff68e795700) at pthread_create.c:333 #8 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 23 (Thread 0x7ff68df94700 (LWP 19844)): #0 0x00007ff69c0bf6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055cf548dd103 in LinuxAIOHandler::collect (this=0x7ff68df93c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896 #2 0x000055cf548dd630 in LinuxAIOHandler::poll (this=0x7ff68df93c40, m1=0x7ff68df93ce8, m2=0x7ff68df93cf0, request=0x7ff68df93d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041 #3 0x000055cf548dd790 in os_aio_linux_handler (global_segment=3, m1=0x7ff68df93ce8, m2=0x7ff68df93cf0, request=0x7ff68df93d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095 #4 0x000055cf548e2420 in os_aio_handler (segment=3, m1=0x7ff68df93ce8, m2=0x7ff68df93cf0, request=0x7ff68df93d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5723 #5 0x000055cf54b624ab in fil_aio_wait (segment=3) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5314 #6 0x000055cf549f0cb8 in io_handler_thread (arg=0x55cf561b0518 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007ff69c2c8494 in start_thread (arg=0x7ff68df94700) at pthread_create.c:333 #8 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 22 (Thread 0x7ff68d793700 (LWP 19845)): #0 0x00007ff69c0bf6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055cf548dd103 in LinuxAIOHandler::collect (this=0x7ff68d792c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896 #2 0x000055cf548dd630 in LinuxAIOHandler::poll (this=0x7ff68d792c40, m1=0x7ff68d792ce8, m2=0x7ff68d792cf0, request=0x7ff68d792d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041 #3 0x000055cf548dd790 in os_aio_linux_handler (global_segment=4, m1=0x7ff68d792ce8, m2=0x7ff68d792cf0, request=0x7ff68d792d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095 #4 0x000055cf548e2420 in os_aio_handler (segment=4, m1=0x7ff68d792ce8, m2=0x7ff68d792cf0, request=0x7ff68d792d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5723 #5 0x000055cf54b624ab in fil_aio_wait (segment=4) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5314 #6 0x000055cf549f0cb8 in io_handler_thread (arg=0x55cf561b0520 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007ff69c2c8494 in start_thread (arg=0x7ff68d793700) at pthread_create.c:333 #8 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 21 (Thread 0x7ff68cf92700 (LWP 19846)): #0 0x00007ff69c0bf6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055cf548dd103 in LinuxAIOHandler::collect (this=0x7ff68cf91c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896 #2 0x000055cf548dd630 in LinuxAIOHandler::poll (this=0x7ff68cf91c40, m1=0x7ff68cf91ce8, m2=0x7ff68cf91cf0, request=0x7ff68cf91d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041 #3 0x000055cf548dd790 in os_aio_linux_handler (global_segment=5, m1=0x7ff68cf91ce8, m2=0x7ff68cf91cf0, request=0x7ff68cf91d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095 #4 0x000055cf548e2420 in os_aio_handler (segment=5, m1=0x7ff68cf91ce8, m2=0x7ff68cf91cf0, request=0x7ff68cf91d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5723 #5 0x000055cf54b624ab in fil_aio_wait (segment=5) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5314 #6 0x000055cf549f0cb8 in io_handler_thread (arg=0x55cf561b0528 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007ff69c2c8494 in start_thread (arg=0x7ff68cf92700) at pthread_create.c:333 #8 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 20 (Thread 0x7ff687fff700 (LWP 19847)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x000055cf548e9caf in os_event::timed_wait (this=0x55cf56e7fc60, abstime=0x7ff687ffec40) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x000055cf548e9fb9 in os_event::wait_time_low (this=0x55cf56e7fc60, time_in_usec=1000000, reset_sig_count=2) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x000055cf548ea19a in os_event_wait_time_low (event=0x55cf56e7fc60, time_in_usec=1000000, reset_sig_count=2) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x000055cf54ae4737 in pc_sleep_if_needed (next_loop_time=1511129035661, sig_count=2) at /data/src/10.3/storage/innobase/buf/buf0flu.cc:2710 #5 0x000055cf54ae5936 in buf_flush_page_cleaner_coordinator () at /data/src/10.3/storage/innobase/buf/buf0flu.cc:3207 #6 0x00007ff69c2c8494 in start_thread (arg=0x7ff687fff700) at pthread_create.c:333 #7 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 19 (Thread 0x7ff6877fe700 (LWP 19849)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x000055cf548e9caf in os_event::timed_wait (this=0x55cf574a5ac0, abstime=0x7ff6877fde80) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x000055cf548e9fb9 in os_event::wait_time_low (this=0x55cf574a5ac0, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x000055cf548ea19a in os_event_wait_time_low (event=0x55cf574a5ac0, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x000055cf548b5081 in lock_wait_timeout_thread () at /data/src/10.3/storage/innobase/lock/lock0wait.cc:529 #5 0x00007ff69c2c8494 in start_thread (arg=0x7ff6877fe700) at pthread_create.c:333 #6 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 18 (Thread 0x7ff686ffd700 (LWP 19850)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x000055cf548e9caf in os_event::timed_wait (this=0x55cf56e7fae0, abstime=0x7ff686ffcce0) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x000055cf548e9fb9 in os_event::wait_time_low (this=0x55cf56e7fae0, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x000055cf548ea19a in os_event_wait_time_low (event=0x55cf56e7fae0, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x000055cf549ec058 in srv_error_monitor_thread () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:1947 #5 0x00007ff69c2c8494 in start_thread (arg=0x7ff686ffd700) at pthread_create.c:333 #6 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 17 (Thread 0x7ff6867fc700 (LWP 19851)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x000055cf548e9caf in os_event::timed_wait (this=0x55cf56e7fb60, abstime=0x7ff6867fbe50) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x000055cf548e9fb9 in os_event::wait_time_low (this=0x55cf56e7fb60, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x000055cf548ea19a in os_event_wait_time_low (event=0x55cf56e7fb60, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x000055cf549eb987 in srv_monitor_thread () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:1722 #5 0x00007ff69c2c8494 in start_thread (arg=0x7ff6867fc700) at pthread_create.c:333 #6 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 16 (Thread 0x7ff685ffb700 (LWP 19852)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x000055cf548e9caf in os_event::timed_wait (this=0x55cf574d8f30, abstime=0x7ff685ffaea0) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x000055cf548e9fb9 in os_event::wait_time_low (this=0x55cf574d8f30, time_in_usec=10000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x000055cf548ea19a in os_event_wait_time_low (event=0x55cf574d8f30, time_in_usec=10000000, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x000055cf54b47d35 in dict_stats_thread () at /data/src/10.3/storage/innobase/dict/dict0stats_bg.cc:451 #5 0x00007ff69c2c8494 in start_thread (arg=0x7ff685ffb700) at pthread_create.c:333 #6 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 15 (Thread 0x7ff6857fa700 (LWP 19853)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x000055cf548e9caf in os_event::timed_wait (this=0x55cf5726e170, abstime=0x7ff6857f9c90) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x000055cf548e9fb9 in os_event::wait_time_low (this=0x55cf5726e170, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x000055cf548ea19a in os_event_wait_time_low (event=0x55cf5726e170, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x000055cf54a5a17a in ib_wqueue_timedwait (wq=0x55cf57266f10, wait_in_usecs=5000000) at /data/src/10.3/storage/innobase/ut/ut0wqueue.cc:163 #5 0x000055cf54bad246 in fts_optimize_thread (arg=0x55cf57266f10) at /data/src/10.3/storage/innobase/fts/fts0opt.cc:3032 #6 0x00007ff69c2c8494 in start_thread (arg=0x7ff6857fa700) at pthread_create.c:333 #7 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 14 (Thread 0x7ff684ff9700 (LWP 19854)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055cf548ea40a in os_event::wait (this=0x55cf574e3160) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x000055cf548e9e19 in os_event::wait_low (this=0x55cf574e3160, reset_sig_count=5) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x000055cf548ea1bf in os_event_wait_low (event=0x55cf574e3160, reset_sig_count=5) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x000055cf549fa984 in sync_array_wait_event (arr=0x55cf56e47a30, cell=@0x7ff684ff8d88: 0x55cf56e47c00) at /data/src/10.3/storage/innobase/sync/sync0arr.cc:475 #5 0x000055cf549fe1ce in rw_lock_x_lock_func (lock=0x55cf574ff6d0, pass=0, file_name=0x55cf54febf90 "/data/src/10.3/storage/innobase/srv/srv0srv.cc", line=2120) at /data/src/10.3/storage/innobase/sync/sync0rw.cc:761 #6 0x000055cf549e9078 in pfs_rw_lock_x_lock_func (lock=0x55cf574ff6d0, pass=0, file_name=0x55cf54febf90 "/data/src/10.3/storage/innobase/srv/srv0srv.cc", line=2120) at /data/src/10.3/storage/innobase/include/sync0rw.ic:549 #7 0x000055cf549ec4fd in srv_master_evict_from_table_cache (pct_check=100) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2120 #8 0x000055cf549ecfc4 in srv_master_do_idle_tasks () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2364 #9 0x000055cf549ed595 in srv_master_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2489 #10 0x00007ff69c2c8494 in start_thread (arg=0x7ff684ff9700) at pthread_create.c:333 #11 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 13 (Thread 0x7ff677fff700 (LWP 19855)): #0 0x00007ff69a697ae7 in sched_yield () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x000055cf548ea693 in os_thread_yield () at /data/src/10.3/storage/innobase/os/os0thread.cc:211 #2 0x000055cf54a1e4b7 in trx_purge_wait_for_workers_to_complete (purge_sys=0x55cf57510110) at /data/src/10.3/storage/innobase/trx/trx0purge.cc:1590 #3 0x000055cf54a1e80b in trx_purge (n_purge_threads=4, batch_size=300, truncate=false) at /data/src/10.3/storage/innobase/trx/trx0purge.cc:1672 #4 0x000055cf549edd1c in srv_do_purge (n_total_purged=0x7ff677ffeee8) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2733 #5 0x000055cf549ee2cf in srv_purge_coordinator_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2876 #6 0x00007ff69c2c8494 in start_thread (arg=0x7ff677fff700) at pthread_create.c:333 #7 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 12 (Thread 0x7ff6777fe700 (LWP 19856)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055cf548ea40a in os_event::wait (this=0x55cf574e3160) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x000055cf548e9e19 in os_event::wait_low (this=0x55cf574e3160, reset_sig_count=5) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x000055cf548ea1bf in os_event_wait_low (event=0x55cf574e3160, reset_sig_count=5) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x000055cf549fa984 in sync_array_wait_event (arr=0x55cf56e47a30, cell=@0x7ff6777fdc68: 0x55cf56e47b80) at /data/src/10.3/storage/innobase/sync/sync0arr.cc:475 #5 0x000055cf549fd8ab in rw_lock_s_lock_spin (lock=0x55cf574ff6d0, pass=0, file_name=0x55cf54fc9a00 "/data/src/10.3/storage/innobase/row/row0purge.cc", line=928) at /data/src/10.3/storage/innobase/sync/sync0rw.cc:393 #6 0x000055cf549954ff in rw_lock_s_lock_func (lock=0x55cf574ff6d0, pass=0, file_name=0x55cf54fc9a00 "/data/src/10.3/storage/innobase/row/row0purge.cc", line=928) at /data/src/10.3/storage/innobase/include/sync0rw.ic:292 #7 0x000055cf54995927 in pfs_rw_lock_s_lock_func (lock=0x55cf574ff6d0, pass=0, file_name=0x55cf54fc9a00 "/data/src/10.3/storage/innobase/row/row0purge.cc", line=928) at /data/src/10.3/storage/innobase/include/sync0rw.ic:642 #8 0x000055cf5499ab0e in row_purge_parse_undo_rec (node=0x55cf575110e8, undo_rec=0x55cf57511cb8 "\001c<\002\001", updated_extern=0x7ff6777fddde, thr=0x55cf57510c30) at /data/src/10.3/storage/innobase/row/row0purge.cc:928 #9 0x000055cf5499b2ec in row_purge (node=0x55cf575110e8, undo_rec=0x55cf57511cb8 "\001c<\002\001", thr=0x55cf57510c30) at /data/src/10.3/storage/innobase/row/row0purge.cc:1102 #10 0x000055cf5499b59c in row_purge_step (thr=0x55cf57510c30) at /data/src/10.3/storage/innobase/row/row0purge.cc:1184 #11 0x000055cf5491e8c2 in que_thr_step (thr=0x55cf57510c30) at /data/src/10.3/storage/innobase/que/que0que.cc:1054 #12 0x000055cf5491eaed in que_run_threads_low (thr=0x55cf57510c30) at /data/src/10.3/storage/innobase/que/que0que.cc:1116 #13 0x000055cf5491eccf in que_run_threads (thr=0x55cf57510c30) at /data/src/10.3/storage/innobase/que/que0que.cc:1156 #14 0x000055cf549ed879 in srv_task_execute () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2580 #15 0x000055cf549ed9ca in srv_worker_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2627 #16 0x00007ff69c2c8494 in start_thread (arg=0x7ff6777fe700) at pthread_create.c:333 #17 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 11 (Thread 0x7ff676ffd700 (LWP 19857)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055cf548ea40a in os_event::wait (this=0x55cf574e3160) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x000055cf548e9e19 in os_event::wait_low (this=0x55cf574e3160, reset_sig_count=5) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x000055cf548ea1bf in os_event_wait_low (event=0x55cf574e3160, reset_sig_count=5) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x000055cf549fa984 in sync_array_wait_event (arr=0x55cf56e47a30, cell=@0x7ff676ffcc68: 0x55cf56e47b00) at /data/src/10.3/storage/innobase/sync/sync0arr.cc:475 #5 0x000055cf549fd8ab in rw_lock_s_lock_spin (lock=0x55cf574ff6d0, pass=0, file_name=0x55cf54fc9a00 "/data/src/10.3/storage/innobase/row/row0purge.cc", line=928) at /data/src/10.3/storage/innobase/sync/sync0rw.cc:393 #6 0x000055cf549954ff in rw_lock_s_lock_func (lock=0x55cf574ff6d0, pass=0, file_name=0x55cf54fc9a00 "/data/src/10.3/storage/innobase/row/row0purge.cc", line=928) at /data/src/10.3/storage/innobase/include/sync0rw.ic:292 #7 0x000055cf54995927 in pfs_rw_lock_s_lock_func (lock=0x55cf574ff6d0, pass=0, file_name=0x55cf54fc9a00 "/data/src/10.3/storage/innobase/row/row0purge.cc", line=928) at /data/src/10.3/storage/innobase/include/sync0rw.ic:642 #8 0x000055cf5499ab0e in row_purge_parse_undo_rec (node=0x55cf57510828, undo_rec=0x55cf57510dd8 "\001%\v", updated_extern=0x7ff676ffcdde, thr=0x55cf57510670) at /data/src/10.3/storage/innobase/row/row0purge.cc:928 #9 0x000055cf5499b2ec in row_purge (node=0x55cf57510828, undo_rec=0x55cf57510dd8 "\001%\v", thr=0x55cf57510670) at /data/src/10.3/storage/innobase/row/row0purge.cc:1102 #10 0x000055cf5499b59c in row_purge_step (thr=0x55cf57510670) at /data/src/10.3/storage/innobase/row/row0purge.cc:1184 #11 0x000055cf5491e8c2 in que_thr_step (thr=0x55cf57510670) at /data/src/10.3/storage/innobase/que/que0que.cc:1054 #12 0x000055cf5491eaed in que_run_threads_low (thr=0x55cf57510670) at /data/src/10.3/storage/innobase/que/que0que.cc:1116 #13 0x000055cf5491eccf in que_run_threads (thr=0x55cf57510670) at /data/src/10.3/storage/innobase/que/que0que.cc:1156 #14 0x000055cf549ed879 in srv_task_execute () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2580 #15 0x000055cf549ed9ca in srv_worker_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2627 #16 0x00007ff69c2c8494 in start_thread (arg=0x7ff676ffd700) at pthread_create.c:333 #17 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 10 (Thread 0x7ff6767fc700 (LWP 19858)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055cf548ea40a in os_event::wait (this=0x55cf574e3160) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x000055cf548e9e19 in os_event::wait_low (this=0x55cf574e3160, reset_sig_count=5) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x000055cf548ea1bf in os_event_wait_low (event=0x55cf574e3160, reset_sig_count=5) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x000055cf549fa984 in sync_array_wait_event (arr=0x55cf56e47a30, cell=@0x7ff6767fbc68: 0x55cf56e47bc0) at /data/src/10.3/storage/innobase/sync/sync0arr.cc:475 #5 0x000055cf549fd8ab in rw_lock_s_lock_spin (lock=0x55cf574ff6d0, pass=0, file_name=0x55cf54fc9a00 "/data/src/10.3/storage/innobase/row/row0purge.cc", line=928) at /data/src/10.3/storage/innobase/sync/sync0rw.cc:393 #6 0x000055cf549954ff in rw_lock_s_lock_func (lock=0x55cf574ff6d0, pass=0, file_name=0x55cf54fc9a00 "/data/src/10.3/storage/innobase/row/row0purge.cc", line=928) at /data/src/10.3/storage/innobase/include/sync0rw.ic:292 #7 0x000055cf54995927 in pfs_rw_lock_s_lock_func (lock=0x55cf574ff6d0, pass=0, file_name=0x55cf54fc9a00 "/data/src/10.3/storage/innobase/row/row0purge.cc", line=928) at /data/src/10.3/storage/innobase/include/sync0rw.ic:642 #8 0x000055cf5499ab0e in row_purge_parse_undo_rec (node=0x55cf57510a90, undo_rec=0x55cf57510f68 "\001?\v\001\017\b", updated_extern=0x7ff6767fbdde, thr=0x55cf575109c8) at /data/src/10.3/storage/innobase/row/row0purge.cc:928 #9 0x000055cf5499b2ec in row_purge (node=0x55cf57510a90, undo_rec=0x55cf57510f68 "\001?\v\001\017\b", thr=0x55cf575109c8) at /data/src/10.3/storage/innobase/row/row0purge.cc:1102 #10 0x000055cf5499b59c in row_purge_step (thr=0x55cf575109c8) at /data/src/10.3/storage/innobase/row/row0purge.cc:1184 #11 0x000055cf5491e8c2 in que_thr_step (thr=0x55cf575109c8) at /data/src/10.3/storage/innobase/que/que0que.cc:1054 #12 0x000055cf5491eaed in que_run_threads_low (thr=0x55cf575109c8) at /data/src/10.3/storage/innobase/que/que0que.cc:1116 #13 0x000055cf5491eccf in que_run_threads (thr=0x55cf575109c8) at /data/src/10.3/storage/innobase/que/que0que.cc:1156 #14 0x000055cf549ed879 in srv_task_execute () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2580 #15 0x000055cf549ed9ca in srv_worker_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2627 #16 0x00007ff69c2c8494 in start_thread (arg=0x7ff6767fc700) at pthread_create.c:333 #17 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 9 (Thread 0x7ff675ffb700 (LWP 19859)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055cf548ea40a in os_event::wait (this=0x55cf56e7fbe0) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x000055cf548e9e19 in os_event::wait_low (this=0x55cf56e7fbe0, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x000055cf548ea1bf in os_event_wait_low (event=0x55cf56e7fbe0, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x000055cf54ad9f55 in buf_dump_thread () at /data/src/10.3/storage/innobase/buf/buf0dump.cc:824 #5 0x00007ff69c2c8494 in start_thread (arg=0x7ff675ffb700) at pthread_create.c:333 #6 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 8 (Thread 0x7ff6757fa700 (LWP 19860)): #0 0x00007ff69c2d17dd in nanosleep () at ../sysdeps/unix/syscall-template.S:84 #1 0x000055cf548ea701 in os_thread_sleep (tm=1000000) at /data/src/10.3/storage/innobase/os/os0thread.cc:230 #2 0x000055cf54ab338c in btr_defragment_thread () at /data/src/10.3/storage/innobase/btr/btr0defragment.cc:760 #3 0x00007ff69c2c8494 in start_thread (arg=0x7ff6757fa700) at pthread_create.c:333 #4 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 7 (Thread 0x7ff674ff9700 (LWP 19861)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055cf548ea40a in os_event::wait (this=0x55cf56e7fce0) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x000055cf548e9e19 in os_event::wait_low (this=0x55cf56e7fce0, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x000055cf548ea1bf in os_event_wait_low (event=0x55cf56e7fce0, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x000055cf54ac183f in buf_resize_thread () at /data/src/10.3/storage/innobase/buf/buf0buf.cc:3073 #5 0x00007ff69c2c8494 in start_thread (arg=0x7ff674ff9700) at pthread_create.c:333 #6 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 6 (Thread 0x7ff65ffff700 (LWP 19862)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055cf54cc2693 in safe_cond_wait (cond=0x7ff65fffedc0, mp=0x7ff65fffee00, file=0x55cf54f43680 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1149) at /data/src/10.3/mysys/thr_mutex.c:492 #2 0x000055cf5480654d in inline_mysql_cond_wait (that=0x7ff65fffedc0, mutex=0x7ff65fffee00, src_file=0x55cf54f44e50 "/data/src/10.3/storage/innobase/handler/ha_innodb.cc", src_line=317) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1149 #3 0x000055cf5480b67d in thd_destructor_proxy () at /data/src/10.3/storage/innobase/handler/ha_innodb.cc:317 #4 0x000055cf547f8392 in pfs_spawn_thread (arg=0x55cf57287dc0) at /data/src/10.3/storage/perfschema/pfs.cc:1863 #5 0x00007ff69c2c8494 in start_thread (arg=0x7ff65ffff700) at pthread_create.c:333 #6 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 5 (Thread 0x7ff6942ef700 (LWP 19863)): #0 do_sigwait (set=, set@entry=0x7ff6942eee30, sig=sig@entry=0x7ff6942eee00) at ../sysdeps/unix/sysv/linux/sigwait.c:64 #1 0x00007ff69c2d1ced in __sigwait (set=0x7ff6942eee30, sig=0x7ff6942eee00) at ../sysdeps/unix/sysv/linux/sigwait.c:96 #2 0x000055cf54132e68 in signal_hand (arg=0x0) at /data/src/10.3/sql/mysqld.cc:3519 #3 0x000055cf547f8392 in pfs_spawn_thread (arg=0x55cf572ad770) at /data/src/10.3/storage/perfschema/pfs.cc:1863 #4 0x00007ff69c2c8494 in start_thread (arg=0x7ff6942ef700) at pthread_create.c:333 #5 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 4 (Thread 0x7ff6942a5700 (LWP 19864)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055cf54cc2693 in safe_cond_wait (cond=0x55cf5592de80 , mp=0x55cf559311c0 , file=0x55cf54d60d40 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1138) at /data/src/10.3/mysys/thr_mutex.c:492 #2 0x000055cf5415ba56 in inline_mysql_cond_wait (that=0x55cf5592de80 , mutex=0x55cf559311c0 , src_file=0x55cf54d615ad "/data/src/10.3/sql/slave.cc", src_line=502) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1138 #3 0x000055cf5415ce4b in handle_slave_background (arg=0x0) at /data/src/10.3/sql/slave.cc:502 #4 0x000055cf547f8392 in pfs_spawn_thread (arg=0x55cf573167f0) at /data/src/10.3/storage/perfschema/pfs.cc:1863 #5 0x00007ff69c2c8494 in start_thread (arg=0x7ff6942a5700) at pthread_create.c:333 #6 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 3 (Thread 0x7ff69425b700 (LWP 19867)): #0 0x00007ff69a6a54ed in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x000055cf54d2344e in vio_io_wait (vio=0x55cf57377a00, event=VIO_IO_EVENT_READ, timeout=28800000) at /data/src/10.3/vio/viosocket.c:1003 #2 0x000055cf54d21aef in vio_socket_io_wait (vio=0x55cf57377a00, event=VIO_IO_EVENT_READ) at /data/src/10.3/vio/viosocket.c:109 #3 0x000055cf54d21cc7 in vio_read (vio=0x55cf57377a00, buf=0x7ff648093d80 "0", size=4) at /data/src/10.3/vio/viosocket.c:185 #4 0x000055cf54141ef3 in my_real_read (net=0x7ff648000dc8, complen=0x7ff69425ad50, header=1 '\001') at /data/src/10.3/sql/net_serv.cc:952 #5 0x000055cf54142765 in my_net_read_packet_reallen (net=0x7ff648000dc8, read_from_server=1 '\001', reallen=0x7ff69425adb8) at /data/src/10.3/sql/net_serv.cc:1233 #6 0x000055cf54142719 in my_net_read_packet (net=0x7ff648000dc8, read_from_server=1 '\001') at /data/src/10.3/sql/net_serv.cc:1217 #7 0x000055cf5421ec3a in do_command (thd=0x7ff648000b00) at /data/src/10.3/sql/sql_parse.cc:1251 #8 0x000055cf54376ed6 in do_handle_one_connection (connect=0x55cf5736f340) at /data/src/10.3/sql/sql_connect.cc:1420 #9 0x000055cf54376c63 in handle_one_connection (arg=0x55cf5736f340) at /data/src/10.3/sql/sql_connect.cc:1326 #10 0x000055cf547f8392 in pfs_spawn_thread (arg=0x55cf57377a00) at /data/src/10.3/storage/perfschema/pfs.cc:1863 #11 0x00007ff69c2c8494 in start_thread (arg=0x7ff69425b700) at pthread_create.c:333 #12 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 2 (Thread 0x7ff694211700 (LWP 19871)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055cf548ea40a in os_event::wait (this=0x55cf57038e00) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x000055cf548e9e19 in os_event::wait_low (this=0x55cf57038e00, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x000055cf548ea1bf in os_event_wait_low (event=0x55cf57038e00, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x000055cf549fa984 in sync_array_wait_event (arr=0x55cf56e47a30, cell=@0x7ff69420c568: 0x55cf56e47b40) at /data/src/10.3/storage/innobase/sync/sync0arr.cc:475 #5 0x000055cf549fe1ce in rw_lock_x_lock_func (lock=0x55cf57038d30, pass=0, file_name=0x55cf5502e288 "/data/src/10.3/storage/innobase/include/btr0sea.ic", line=114) at /data/src/10.3/storage/innobase/sync/sync0rw.cc:761 #6 0x000055cf54aa3f0e in pfs_rw_lock_x_lock_func (lock=0x55cf57038d30, pass=0, file_name=0x55cf5502e288 "/data/src/10.3/storage/innobase/include/btr0sea.ic", line=114) at /data/src/10.3/storage/innobase/include/sync0rw.ic:549 #7 0x000055cf54aa7fae in btr_search_x_lock_all () at /data/src/10.3/storage/innobase/include/btr0sea.ic:114 #8 0x000055cf54aa8dce in btr_search_enable () at /data/src/10.3/storage/innobase/btr/btr0sea.cc:438 #9 0x000055cf5485d24a in ha_innobase::commit_inplace_alter_table (this=0x7ff63c073688, altered_table=0x7ff63c0446c0, ha_alter_info=0x7ff69420d520, commit=true) at /data/src/10.3/storage/innobase/handler/handler0alter.cc:9514 #10 0x000055cf544f60cc in handler::ha_commit_inplace_alter_table (this=0x7ff63c073688, altered_table=0x7ff63c0446c0, ha_alter_info=0x7ff69420d520, commit=true) at /data/src/10.3/sql/handler.cc:4251 #11 0x000055cf542f7dda in mysql_inplace_alter_table (thd=0x7ff63c000b00, table_list=0x7ff63c0137e0, table=0x7ff63c072a60, altered_table=0x7ff63c0446c0, ha_alter_info=0x7ff69420d520, inplace_supported=HA_ALTER_INPLACE_NO_LOCK_AFTER_PREPARE, target_mdl_request=0x7ff69420d590, alter_ctx=0x7ff69420e150) at /data/src/10.3/sql/sql_table.cc:7261 #12 0x000055cf542fd0be in mysql_alter_table (thd=0x7ff63c000b00, new_db=0x7ff63c013df0 "test", new_name=0x0, create_info=0x7ff69420ed60, table_list=0x7ff63c0137e0, alter_info=0x7ff69420ecb0, order_num=0, order=0x0, ignore=false) at /data/src/10.3/sql/sql_table.cc:9237 #13 0x000055cf5437c35d in Sql_cmd_alter_table::execute (this=0x7ff63c014040, thd=0x7ff63c000b00) at /data/src/10.3/sql/sql_alter.cc:331 #14 0x000055cf5422e358 in mysql_execute_command (thd=0x7ff63c000b00) at /data/src/10.3/sql/sql_parse.cc:6237 #15 0x000055cf54232cee in mysql_parse (thd=0x7ff63c000b00, rawbuf=0x7ff63c0136d8 "ALTER TABLE t2 ADD COLUMN v INT AS (i) VIRTUAL", length=46, parser_state=0x7ff694210610, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7933 #16 0x000055cf542206ce in dispatch_command (command=COM_QUERY, thd=0x7ff63c000b00, packet=0x7ff63c00afa1 "ALTER TABLE t2 ADD COLUMN v INT AS (i) VIRTUAL", packet_length=46, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1828 #17 0x000055cf5421f0ef in do_command (thd=0x7ff63c000b00) at /data/src/10.3/sql/sql_parse.cc:1370 #18 0x000055cf54376ed6 in do_handle_one_connection (connect=0x55cf5736f340) at /data/src/10.3/sql/sql_connect.cc:1420 #19 0x000055cf54376c63 in handle_one_connection (arg=0x55cf5736f340) at /data/src/10.3/sql/sql_connect.cc:1326 #20 0x000055cf547f8392 in pfs_spawn_thread (arg=0x55cf57377db0) at /data/src/10.3/storage/perfschema/pfs.cc:1863 #21 0x00007ff69c2c8494 in start_thread (arg=0x7ff694211700) at pthread_create.c:333 #22 0x00007ff69a6ae93f in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 1 (Thread 0x7ff69c6e1b80 (LWP 19838)): #0 0x00007ff69a6a54ed in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x000055cf54138e40 in handle_connections_sockets () at /data/src/10.3/sql/mysqld.cc:6669 #2 0x000055cf54138102 in mysqld_main (argc=144, argv=0x55cf56c0a798) at /data/src/10.3/sql/mysqld.cc:6134 #3 0x000055cf5412c680 in main (argc=22, argv=0x7ffe4e29f938) at /data/src/10.3/sql/main.cc:25