Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Duplicate
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10.1.21
Description
Hello,
tonight one of our MariaDB Server crashed out of nowhere. Searched the Reason for a few Hours now - but was not able to narrow the cause down! :-/
Maybe it's a Bug? Maybe you can tell me a bit more from those Errors? 
OS: CentOS Linux release 7.3.1611 (Core)
Thank you
170301 0:40:01 [ERROR] mysqld got signal 11 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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or misconfigured. This error can also be caused by malfunctioning hardware.
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To report this bug, see https://mariadb.com/kb/en/reporting-bugs
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We will try our best to scrape up some info that will hopefully help
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diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail.
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Server version: 10.1.21-MariaDB
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key_buffer_size=3221225472
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read_buffer_size=6291456
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max_used_connections=502
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max_threads=602
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thread_count=79
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 85762103 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x7f6e58b00a38
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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stack_bottom = 0x7f67b2a2ccf0 thread_stack 0x30000
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/usr/libexec/mysqld(my_print_stacktrace+0x2e)[0x7f6e565ce80e]
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/usr/libexec/mysqld(handle_fatal_signal+0x305)[0x7f6e560f5da5]
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/lib64/libpthread.so.0(+0xf370)[0x7f6e55712370]
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/usr/libexec/mysqld(_ZN11Query_cache12move_by_typeEPPhPP17Query_cache_blockPmS3_+0x730)[0x7f6e55f3b920]
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/usr/libexec/mysqld(_ZN11Query_cache10pack_cacheEv+0x71)[0x7f6e55f3bb21]
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/usr/libexec/mysqld(_ZN11Query_cache4packEP3THDmj+0x4e)[0x7f6e55f3be0e]
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/usr/libexec/mysqld(_Z20reload_acl_and_cacheP3THDyP10TABLE_LISTPi+0x690)[0x7f6e5605e970]
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/usr/libexec/mysqld(_Z21mysql_execute_commandP3THD+0x1400)[0x7f6e55f716a0]
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/usr/libexec/mysqld(_Z11mysql_parseP3THDPcjP12Parser_state+0x332)[0x7f6e55f79682]
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/usr/libexec/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcj+0x243c)[0x7f6e55f7c99c]
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/usr/libexec/mysqld(_Z10do_commandP3THD+0x14a)[0x7f6e55f7d1fa]
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/usr/libexec/mysqld(_Z24do_handle_one_connectionP3THD+0x18a)[0x7f6e5604445a]
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/usr/libexec/mysqld(handle_one_connection+0x40)[0x7f6e56044600]
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/lib64/libpthread.so.0(+0x7dc5)[0x7f6e5570adc5]
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/lib64/libc.so.6(clone+0x6d)[0x7f6e53f8373d]
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x7f68c40008e0): FLUSH QUERY CACHE
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Connection ID (thread ID): 568895
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Status: NOT_KILLED
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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=off
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Attachments
Issue Links
- is duplicated by
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- Confirmed
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- relates to
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- Closed
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- Closed
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- Confirmed
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- Closed
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