Jun 16 14:40:27 dbsrv mysqld: 2020-06-16 14:40:27 13217953 [ERROR] [FATAL] InnoDB: Unknown error code 19: Required history data has been deleted Jun 16 14:40:27 dbsrv mysqld: 200616 14:40:27 [ERROR] mysqld got signal 6 ; Jun 16 14:40:27 dbsrv mysqld: This could be because you hit a bug. It is also possible that this binary Jun 16 14:40:27 dbsrv mysqld: or one of the libraries it was linked against is corrupt, improperly built, Jun 16 14:40:27 dbsrv mysqld: or misconfigured. This error can also be caused by malfunctioning hardware. Jun 16 14:40:27 dbsrv mysqld: To report this bug, see https://mariadb.com/kb/en/reporting-bugs Jun 16 14:40:27 dbsrv mysqld: We will try our best to scrape up some info that will hopefully help Jun 16 14:40:27 dbsrv mysqld: diagnose the problem, but since we have already crashed, Jun 16 14:40:27 dbsrv mysqld: something is definitely wrong and this may fail. Jun 16 14:40:27 dbsrv mysqld: Server version: 10.3.23-MariaDB-log Jun 16 14:40:27 dbsrv mysqld: key_buffer_size=134217728 Jun 16 14:40:27 dbsrv mysqld: read_buffer_size=131072 Jun 16 14:40:27 dbsrv mysqld: max_used_connections=93 Jun 16 14:40:27 dbsrv mysqld: max_threads=302 Jun 16 14:40:27 dbsrv mysqld: thread_count=109 Jun 16 14:40:27 dbsrv mysqld: It is possible that mysqld could use up to Jun 16 14:40:27 dbsrv mysqld: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 795003 K bytes of memory Jun 16 14:40:27 dbsrv mysqld: Hope that's ok; if not, decrease some variables in the equation. Jun 16 14:40:27 dbsrv mysqld: Thread pointer: 0x7fe2f0019738 Jun 16 14:40:27 dbsrv mysqld: Attempting backtrace. You can use the following information to find out Jun 16 14:40:27 dbsrv mysqld: where mysqld died. If you see no messages after this, something went Jun 16 14:40:27 dbsrv mysqld: terribly wrong... Jun 16 14:40:27 dbsrv mysqld: stack_bottom = 0x7fe3d53dfd30 thread_stack 0x49000 Jun 16 14:40:27 dbsrv mysqld: /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x562e19b7a01e] Jun 16 14:40:27 dbsrv mysqld: /usr/sbin/mysqld(handle_fatal_signal+0x30f)[0x562e1961301f] Jun 16 14:40:28 dbsrv mysqld: /lib64/libpthread.so.0(+0xf630)[0x7ff07c15a630] Jun 16 14:40:28 dbsrv mysqld: /lib64/libc.so.6(gsignal+0x37)[0x7ff07a42b387] Jun 16 14:40:28 dbsrv mysqld: /lib64/libc.so.6(abort+0x148)[0x7ff07a42ca78] Jun 16 14:40:28 dbsrv mysqld: /usr/sbin/mysqld(+0xa8fcf3)[0x562e19902cf3] Jun 16 14:40:29 dbsrv mysqld: /usr/sbin/mysqld(+0xa04a0c)[0x562e19877a0c] Jun 16 14:40:29 dbsrv mysqld: /usr/sbin/mysqld(+0xa21234)[0x562e19894234] Jun 16 14:40:29 dbsrv mysqld: /usr/sbin/mysqld(+0x947997)[0x562e197ba997] Jun 16 14:40:30 dbsrv mysqld: /usr/sbin/mysqld(_ZN7handler13ha_index_nextEPh+0x19f)[0x562e19618e6f] Jun 16 14:40:30 dbsrv mysqld: /usr/sbin/mysqld(_ZN7handler15read_range_nextEv+0x20)[0x562e1961d5d0] Jun 16 14:40:30 dbsrv mysqld: /usr/sbin/mysqld(_ZN7handler21multi_range_read_nextEPPv+0xb2)[0x562e19540f32] Jun 16 14:40:31 dbsrv mysqld: /usr/sbin/mysqld(_ZN23Mrr_simple_index_reader8get_nextEPPv+0x20)[0x562e19540fa0] Jun 16 14:40:31 dbsrv mysqld: /usr/sbin/mysqld(_ZN10DsMrr_impl10dsmrr_nextEPPv+0x42)[0x562e19542212] Jun 16 14:40:31 dbsrv mysqld: /usr/sbin/mysqld(_ZN18QUICK_RANGE_SELECT8get_nextEv+0x99)[0x562e19722bc9] Jun 16 14:40:32 dbsrv mysqld: /usr/sbin/mysqld(+0x8ccff9)[0x562e1973fff9] Jun 16 14:40:32 dbsrv mysqld: /usr/sbin/mysqld(_Z10sub_selectP4JOINP13st_join_tableb+0x211)[0x562e1946dcf1] Jun 16 14:40:33 dbsrv mysqld: /usr/sbin/mysqld(_ZN4JOIN10exec_innerEv+0xa8b)[0x562e1949093b] Jun 16 14:40:33 dbsrv mysqld: /usr/sbin/mysqld(_ZN4JOIN4execEv+0x33)[0x562e19490b53] Jun 16 14:40:33 dbsrv mysqld: /usr/sbin/mysqld(_Z12mysql_selectP3THDP10TABLE_LISTjR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x11a)[0x562e1948f05a] Jun 16 14:40:34 dbsrv mysqld: /usr/sbin/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x1cc)[0x562e1948fb6c] Jun 16 14:40:34 dbsrv mysqld: /usr/sbin/mysqld(+0x4d132f)[0x562e1934432f] Jun 16 14:40:35 dbsrv mysqld: /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x2741)[0x562e19437821] Jun 16 14:40:35 dbsrv mysqld: /usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x1fb)[0x562e1943de8b] Jun 16 14:40:35 dbsrv mysqld: /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0xf76)[0x562e1943f716] Jun 16 14:40:36 dbsrv mysqld: /usr/sbin/mysqld(_Z10do_commandP3THD+0x11b)[0x562e1944137b] Jun 16 14:40:36 dbsrv mysqld: /usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x1d6)[0x562e19515d36] Jun 16 14:40:36 dbsrv mysqld: /usr/sbin/mysqld(handle_one_connection+0x3d)[0x562e19515e4d] Jun 16 14:40:37 dbsrv mysqld: /lib64/libpthread.so.0(+0x7ea5)[0x7ff07c152ea5] Jun 16 14:40:37 dbsrv mysqld: /lib64/libc.so.6(clone+0x6d)[0x7ff07a4f38dd] Jun 16 14:40:37 dbsrv mysqld: Trying to get some variables. Jun 16 14:40:37 dbsrv mysqld: Some pointers may be invalid and cause the dump to abort. Jun 16 14:40:37 dbsrv mysqld: Query (0x7fe2f005c920): SELECT count(id) FROM jos_jobs WHERE process_id > 0 AND `start_time` <= '2020-06-16 14:40:27' Jun 16 14:40:37 dbsrv mysqld: Connection ID (thread ID): 13217953 Jun 16 14:40:37 dbsrv mysqld: Status: NOT_KILLED Jun 16 14:40:37 dbsrv mysqld: 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=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on Jun 16 14:40:37 dbsrv mysqld: The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains Jun 16 14:40:37 dbsrv mysqld: information that should help you find out what is causing the crash. Jun 16 14:40:37 dbsrv mysqld: Writing a core file... Jun 16 14:40:37 dbsrv mysqld: Working directory at /app/mysql Jun 16 14:40:37 dbsrv mysqld: Resource Limits: Jun 16 14:40:37 dbsrv mysqld: Limit Soft Limit Hard Limit Units Jun 16 14:40:37 dbsrv mysqld: Max cpu time unlimited unlimited seconds Jun 16 14:40:37 dbsrv mysqld: Max file size unlimited unlimited bytes Jun 16 14:40:37 dbsrv mysqld: Max data size unlimited unlimited bytes Jun 16 14:40:37 dbsrv mysqld: Max stack size 8388608 unlimited bytes Jun 16 14:40:37 dbsrv mysqld: Max core file size 0 unlimited bytes Jun 16 14:40:37 dbsrv mysqld: Max resident set unlimited unlimited bytes Jun 16 14:40:37 dbsrv mysqld: Max processes 256972 256972 processes Jun 16 14:40:37 dbsrv mysqld: Max open files 65535 65535 files Jun 16 14:40:37 dbsrv mysqld: Max locked memory 65536 65536 bytes Jun 16 14:40:37 dbsrv mysqld: Max address space unlimited unlimited bytes Jun 16 14:40:37 dbsrv mysqld: Max file locks unlimited unlimited locks Jun 16 14:40:37 dbsrv mysqld: Max pending signals 256972 256972 signals Jun 16 14:40:37 dbsrv mysqld: Max msgqueue size 819200 819200 bytes Jun 16 14:40:37 dbsrv mysqld: Max nice priority 40 40 Jun 16 14:40:37 dbsrv mysqld: Max realtime priority 0 0 Jun 16 14:40:37 dbsrv mysqld: Max realtime timeout unlimited unlimited us Jun 16 14:40:37 dbsrv mysqld: Core pattern: co... Jun 16 14:40:39 dbsrv systemd: mariadb.service: main process exited, code=killed, status=6/ABRT