We have a Galera cluster with 3 nodes on CentOS 8.1, MariaDB 10.4.13, Galera 4
2 of the 3 nodes crashed at one second interval. Here is the logged information :
mysqld: /home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.4.13/wsrep-lib/src/transaction.cpp:419: int wsrep::transaction::before_commit(): Assertion `state() == s_executing || state() == s_prepared || state() == s_committing || state() == s_must_abort || state() == s_replaying' failed.
200612 2:24:00 [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: 10.4.13-MariaDB
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 8938292 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x7f0cf4000c08
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
stack_bottom = 0x7f0d07ffdcc8 thread_stack 0x49000
- buffer overflow detected ***: /usr/sbin/mysqld terminated