01:34:41 UTC - mysqld got signal 11 ; 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. Attempting to collect some information that could help diagnose the problem. As this is a crash and something is definitely wrong, the information collection process might fail. Please help us make Percona Server better by reporting any bugs at https://bugs.percona.com/
key_buffer_size=67108864 read_buffer_size=1048576 max_used_connections=2288 max_threads=5001 thread_count=1127 connection_count=1127 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 25736643 K bytes of memory Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x7fe9e06c0230 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 = 7fe7597cce70 thread_stack 0x30000 /usr/sbin/mysqld(my_print_stacktrace+0x3b)[0xe9d72b] /usr/sbin/mysqld(handle_fatal_signal+0x489)[0xcc7619] /lib/x86_64-linux-gnu/libpthread.so.0(+0x11390)[0x7fef48ed1390]
Trying to get some variables. Some pointers may be invalid and cause the dump to abort. Query (7fe9e00489d0): show slave hosts Connection ID (thread ID): 27755050 Status: NOT_KILLED
You may download the Percona Server operations manual by visiting http://www.percona.com/software/percona-server/. You may find information in the manual which will help you identify the cause of the crash. 2022-11-08T09:34:44.966176+08:00 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2022-11-08T09:34:44.966304+08:00 0 [Warning] 'NO_AUTO_CREATE_USER' sql mode was not set. InnoDB: Progress in percent: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 2022-11-08T09:34:56.073727+08:00 0 [Warning] CA certificate ca.pem is self signed.
scenes:
when show slave hosts , mysql server crashed.
first appear, can't recurrent.
version:
Percona 5.7.27-30
mysql errlog:
01:34:41 UTC - mysqld got signal 11 ;
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.
Attempting to collect some information that could help diagnose the problem.
As this is a crash and something is definitely wrong, the information
collection process might fail.
Please help us make Percona Server better by reporting any
bugs at https://bugs.percona.com/
key_buffer_size=67108864
read_buffer_size=1048576
max_used_connections=2288
max_threads=5001
thread_count=1127
connection_count=1127
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 25736643 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x7fe9e06c0230
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 = 7fe7597cce70 thread_stack 0x30000
/usr/sbin/mysqld(my_print_stacktrace+0x3b)[0xe9d72b]
/usr/sbin/mysqld(handle_fatal_signal+0x489)[0xcc7619]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x11390)[0x7fef48ed1390]
Trying to get some variables.
Some pointers may be invalid and cause the dump to abort.
Query (7fe9e00489d0): show slave hosts
Connection ID (thread ID): 27755050
Status: NOT_KILLED
You may download the Percona Server operations manual by visiting
http://www.percona.com/software/percona-server/. You may find information
in the manual which will help you identify the cause of the crash.
2022-11-08T09:34:44.966176+08:00 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2022-11-08T09:34:44.966304+08:00 0 [Warning] 'NO_AUTO_CREATE_USER' sql mode was not set.
InnoDB: Progress in percent: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
2022-11-08T09:34:56.073727+08:00 0 [Warning] CA certificate ca.pem is self signed.