Thread 16 (Thread 0x420d0940 (LWP 16571)): #0 0x0000003b68a0ad09 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000007363f5 in os_event_wait_low (event=0x199b95b0, reset_sig_count=) at os/os0sync.c:399 #2 0x00000000007353c6 in os_aio_simulated_handle (global_segment=0, message1=0x420d00f0, message2=0x420d00e8, type=0x420d00e0) at os/os0file.c:4318 #3 0x00000000007d5088 in fil_aio_wait (segment=0) at fil/fil0fil.c:4850 #4 0x0000000000771b58 in io_handler_thread (arg=) at srv/srv0start.c:492 #5 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #6 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 15 (Thread 0x42ad1940 (LWP 16572)): #0 0x0000003b68a0ad09 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000007363f5 in os_event_wait_low (event=0x199b9630, reset_sig_count=) at os/os0sync.c:399 #2 0x00000000007353c6 in os_aio_simulated_handle (global_segment=1, message1=0x42ad10f0, message2=0x42ad10e8, type=0x42ad10e0) at os/os0file.c:4318 #3 0x00000000007d5088 in fil_aio_wait (segment=1) at fil/fil0fil.c:4850 #4 0x0000000000771b58 in io_handler_thread (arg=) at srv/srv0start.c:492 #5 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #6 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 14 (Thread 0x434d2940 (LWP 16573)): #0 0x0000003b68a0ad09 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000007363f5 in os_event_wait_low (event=0x199b96b0, reset_sig_count=) at os/os0sync.c:399 #2 0x00000000007353c6 in os_aio_simulated_handle (global_segment=2, message1=0x434d20f0, message2=0x434d20e8, type=0x434d20e0) at os/os0file.c:4318 #3 0x00000000007d5088 in fil_aio_wait (segment=2) at fil/fil0fil.c:4850 #4 0x0000000000771b58 in io_handler_thread (arg=) at srv/srv0start.c:492 #5 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #6 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 13 (Thread 0x43ed3940 (LWP 16574)): #0 0x0000003b68a0ad09 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000007363f5 in os_event_wait_low (event=0x199b9730, reset_sig_count=) at os/os0sync.c:399 #2 0x00000000007353c6 in os_aio_simulated_handle (global_segment=3, message1=0x43ed30f0, message2=0x43ed30e8, type=0x43ed30e0) at os/os0file.c:4318 #3 0x00000000007d5088 in fil_aio_wait (segment=3) at fil/fil0fil.c:4850 #4 0x0000000000771b58 in io_handler_thread (arg=) at srv/srv0start.c:492 #5 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #6 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 12 (Thread 0x448d4940 (LWP 16575)): #0 0x0000003b68a0ad09 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000007363f5 in os_event_wait_low (event=0x199b97b0, reset_sig_count=) at os/os0sync.c:399 #2 0x00000000007353c6 in os_aio_simulated_handle (global_segment=4, message1=0x448d40f0, message2=0x448d40e8, type=0x448d40e0) at os/os0file.c:4318 #3 0x00000000007d5088 in fil_aio_wait (segment=4) at fil/fil0fil.c:4850 #4 0x0000000000771b58 in io_handler_thread (arg=) at srv/srv0start.c:492 #5 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #6 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 11 (Thread 0x452d5940 (LWP 16576)): #0 0x0000003b68a0ad09 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000007363f5 in os_event_wait_low (event=0x199b9830, reset_sig_count=) at os/os0sync.c:399 #2 0x00000000007353c6 in os_aio_simulated_handle (global_segment=5, message1=0x452d50f0, message2=0x452d50e8, type=0x452d50e0) at os/os0file.c:4318 #3 0x00000000007d5088 in fil_aio_wait (segment=5) at fil/fil0fil.c:4850 #4 0x0000000000771b58 in io_handler_thread (arg=) at srv/srv0start.c:492 #5 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #6 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 10 (Thread 0x45cd6940 (LWP 16577)): #0 0x0000003b68a0ad09 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000007363f5 in os_event_wait_low (event=0x199ce300, reset_sig_count=) at os/os0sync.c:399 #2 0x000000000077408c in sync_array_wait_event (arr=0x1872fc70, index=0) at sync/sync0arr.c:451 #3 0x0000000000775178 in mutex_spin_wait (mutex=0xd3e3c0, file_name=0x946ecf "buf/buf0buf.c", line=3477) at sync/sync0sync.c:608 #4 0x00000000007b0e6a in buf_page_io_complete (bpage=0x2aaaba384150) at ./include/sync0sync.ic:221 #5 0x00000000007d513e in fil_aio_wait (segment=6) at fil/fil0fil.c:4874 #6 0x0000000000771b58 in io_handler_thread (arg=) at srv/srv0start.c:492 #7 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #8 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 9 (Thread 0x466d7940 (LWP 16578)): #0 0x0000003b68a0ad09 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000007363f5 in os_event_wait_low (event=0x199b9930, reset_sig_count=) at os/os0sync.c:399 #2 0x00000000007353c6 in os_aio_simulated_handle (global_segment=7, message1=0x466d70f0, message2=0x466d70e8, type=0x466d70e0) at os/os0file.c:4318 #3 0x00000000007d5088 in fil_aio_wait (segment=7) at fil/fil0fil.c:4850 #4 0x0000000000771b58 in io_handler_thread (arg=) at srv/srv0start.c:492 #5 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #6 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 8 (Thread 0x47ad9940 (LWP 11321)): #0 0x0000003b682cced2 in select () from /lib64/libc.so.6 #1 0x000000000073675f in os_thread_sleep (tm=) at os/os0thread.c:295 #2 0x000000000076f315 in srv_lock_timeout_and_monitor_thread (arg=) at srv/srv0srv.c:2215 #3 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #4 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 7 (Thread 0x484da940 (LWP 11322)): #0 0x0000003b682cced2 in select () from /lib64/libc.so.6 #1 0x000000000073675f in os_thread_sleep (tm=) at os/os0thread.c:295 #2 0x000000000076f811 in srv_error_monitor_thread (arg=) at srv/srv0srv.c:2451 #3 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #4 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 6 (Thread 0x48edb940 (LWP 11326)): #0 0x0000003b68a0ad09 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000007363f5 in os_event_wait_low (event=0x199af6e0, reset_sig_count=) at os/os0sync.c:399 #2 0x00000000007b405e in buf_flush_sync_datafiles () at buf/buf0flu.c:347 #3 0x00000000007b4783 in buf_flush_buffered_writes () at buf/buf0flu.c:582 #4 0x00000000007b5155 in buf_flush_batch (flush_type=BUF_FLUSH_LIST, min_n=1, lsn_limit=4075594348261) at buf/buf0flu.c:1218 #5 0x0000000000770f34 in srv_master_thread (arg=) at srv/srv0srv.c:2814 #6 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #7 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 5 (Thread 0x498dc940 (LWP 11327)): #0 0x0000003b68a0ad09 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000007363f5 in os_event_wait_low (event=0x199ce400, reset_sig_count=) at os/os0sync.c:399 #2 0x000000000077408c in sync_array_wait_event (arr=0x1872fc70, index=1) at sync/sync0arr.c:451 #3 0x000000000077487a in rw_lock_s_lock_spin (lock=0xd3e440, pass=, file_name=0x946ecf "buf/buf0buf.c", line=2209) at sync/sync0rw.c:439 #4 0x00000000007b1488 in buf_page_get_gen (space=0, zip_size=0, offset=32794, rw_latch=1, guess=0x0, mode=10, file=0x942996 "./include/trx0undo.ic", line=179, mtr=0x498db0d0) at ./include/sync0rw.ic:418 #5 0x000000000078bcbb in trx_undo_get_first_rec (space=0, zip_size=0, page_no=32794, offset=5796, mode=1, mtr=0x498db0d0) at ./include/trx0undo.ic:158 #6 0x0000000000779928 in trx_purge_choose_next_log () at trx/trx0purge.c:841 #7 0x0000000000779df5 in trx_purge_fetch_next_rec (roll_ptr=0x498dbb90, cell=0x2ab505f3e5d0, heap=0x2ab505f3ea70) at trx/trx0purge.c:1022 #8 0x000000000075d283 in row_purge_step (thr=0x2ab505f3e3f8) at row/row0purge.c:612 #9 0x00000000007497c6 in que_run_threads (thr=0x2ab505f3e3f8) at que/que0que.c:1248 #10 0x00000000007793eb in trx_purge () at trx/trx0purge.c:1206 #11 0x0000000000770179 in srv_purge_thread (arg=) at srv/srv0srv.c:3208 #12 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #13 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 4 (Thread 0x4991d940 (LWP 12106)): #0 0x0000003b68a0e658 in do_sigwait () from /lib64/libpthread.so.0 #1 0x0000003b68a0e6fd in sigwait () from /lib64/libpthread.so.0 #2 0x000000000058e8ab in signal_hand (arg=) at mysqld.cc:2772 #3 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #4 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 3 (Thread 0x4a48a940 (LWP 15196)): #0 0x0000003b68a0ad09 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000625117 in MYSQL_BIN_LOG::wait_for_update (this=, thd=0x2ab68c43ddf0, is_slave=129) at log.cc:4639 #2 0x00000000006b4b7b in mysql_binlog_send (thd=0x2ab68c43ddf0, log_ident=, pos=, flags=) at sql_repl.cc:665 #3 0x00000000005a2ed7 in dispatch_command (command=COM_BINLOG_DUMP, thd=0x2ab68c43ddf0, packet=0x2ab68c4406a1 "", packet_length=) at sql_parse.cc:1423 #4 0x00000000005a38d7 in do_command (thd=0x2ab68c43ddf0) at sql_parse.cc:872 #5 0x00000000005967f2 in handle_one_connection (arg=0x2ab68c43ddf0) at sql_connect.cc:1127 #6 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #7 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x49ae4940 (LWP 23320)): #0 buf_LRU_invalidate_tablespace (id=296071) at ./include/sync0sync.ic:185 #1 0x00000000007d7a87 in fil_delete_tablespace (id=296071) at fil/fil0fil.c:2249 #2 0x00000000007592d8 in row_drop_table_for_mysql (name=0x2ab6943c8440 "test/#sql2-3eb9-83ba1", trx=0x2ab694097070, drop_db=) at row/row0mysql.c:3318 #3 0x000000000070b97e in ha_innobase::delete_table (this=, name=0x49adfc70 "./test/#sql2-3eb9-83ba1") at handler/ha_innodb.cc:6870 #4 0x0000000000670d56 in ha_delete_table (thd=0x2ab68c195580, table_type=0x1872fa60, path=, db=0x2ab53b26d0c8 "test", alias=0x49ae16c0 "#sql2-3eb9-83ba1", generate_warning=false) at handler.cc:1992 #5 0x000000000067d208 in quick_rm_table (base=0x1872fa60, db=0x2ab53b26d0c8 "test", table_name=0x49ae16c0 "#sql2-3eb9-83ba1", flags=0) at sql_table.cc:2183 #6 0x0000000000685b01 in mysql_alter_table (thd=0x2ab68c195580, new_db=0x2ab53b26d0c8 "test", new_name=0x2ab53b26d0d0 "descr", create_info=0x49ae1750, table_list=0x2ab53b26d108, alter_info=0x49ae1830, order_num=0, order=0x0, ignore=false) at sql_table.cc:7426 #7 0x000000000068748b in mysql_recreate_table (thd=0x2ab68c195580, table_list=0x2ab53b26d108) at sql_table.cc:7813 #8 0x00000000006887ca in mysql_admin_table (thd=0x2ab68c195580, tables=0x2ab53b26d108, check_opt=0x2ab68c197a00, operator_name=0x8c6c23 "optimize", lock_type=TL_WRITE, open_for_modify=false, no_warnings_for_error=false, extra_open_options=0, prepare_func=0, operator_func=0x6711c0 , view_operator_func=0) at sql_table.cc:4871 #9 0x0000000000689371 in mysql_optimize_table (thd=0x2ab2100cf800, tables=0x199ce030, check_opt=0x1) at sql_table.cc:5035 #10 0x00000000005a04a6 in mysql_execute_command (thd=0x2ab68c195580) at sql_parse.cc:3034 #11 0x00000000005a2375 in mysql_parse (thd=0x2ab68c195580, inBuf=0x2ab53b26d020 "optimize table test.descr", length=25, found_semicolon=0x49ae38b8) at sql_parse.cc:5970 #12 0x00000000005a335e in dispatch_command (command=COM_QUERY, thd=0x2ab68c195580, packet=, packet_length=) at sql_parse.cc:1231 #13 0x00000000005a38d7 in do_command (thd=0x2ab68c195580) at sql_parse.cc:872 #14 0x00000000005967f2 in handle_one_connection (arg=0x2ab68c195580) at sql_connect.cc:1127 #15 0x0000003b68a06617 in start_thread () from /lib64/libpthread.so.0 #16 0x0000003b682d3c2d in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x2b9a2797cfb0 (LWP 16057)): #0 0x0000003b682cced2 in select () from /lib64/libc.so.6 #1 0x00000000005917ef in handle_connections_sockets (arg=) at mysqld.cc:5054 #2 0x0000000000592dde in main (argc=, argv=) at mysqld.cc:4538 Current language: auto; currently c