170514 2:50:40 [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: 10.1.19-MariaDB
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key_buffer_size=16777216
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read_buffer_size=262144
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max_used_connections=525
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max_threads=1002
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thread_count=246
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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 = 806479 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: 0x0x7f7d954eb008
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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 = 0x7eef5265b208 thread_stack 0x48400
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(my_addr_resolve failure: fork)
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(my_print_stacktrace+0x2e) [0xc0e2fe]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(handle_fatal_signal+0x4ba) [0x76836a]
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/lib64/libpthread.so.0() [0x3fe2a0f7e0]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(key_unpack(String*, TABLE*, st_key*)+0x95) [0x831c35]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(print_keydup_error(TABLE*, st_key*, char const*, unsigned long)+0x76) [0x76e136]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld() [0x91c3e3]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld() [0x63ce0b]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(mysql_alter_table(THD*, char*, char*, HA_CREATE_INFO*, TABLE_LIST*, Alter_info*, unsigned int, st_order*, bool)+0x3c42) [0x644812]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(mysql_recreate_table(THD*, TABLE_LIST*, bool)+0x196) [0x644a26]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld() [0x69ba5e]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld() [0x69d4da]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(Sql_cmd_optimize_table::execute(THD*)+0xe6) [0x69e5d6]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(mysql_execute_command(THD*)+0x13db) [0x5b38bb]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(mysql_parse(THD*, char*, unsigned int, Parser_state*)+0x354) [0x5bbe54]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld() [0x5bbee8]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x14e5) [0x5bdfc5]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(do_command(THD*)+0x2a7) [0x5bf297]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(do_handle_one_connection(THD*)+0x183) [0x68e853]
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/apps/mariadb/instances/sysmdbblpfrm/bin/mysqld(handle_one_connection+0x42) [0x68ea72]
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/lib64/libpthread.so.0() [0x3fe2a07aa1]
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/lib64/libc.so.6(clone+0x6d) [0x3fe22e8aad]
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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 (0x7f7d80b92020): OPTIMIZE TABLE some_db.some_table
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Connection ID (thread ID): 10354269
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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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Bug
Critical
MDEV-13900 Testing for MDEV-11369 (instant ADD COLUMN)
