Details
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Bug
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Status: Stalled (View Workflow)
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Major
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Resolution: Unresolved
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10.5, 10.6, 10.3.31, 10.3(EOL), 10.4(EOL)
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None
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Ubuntu 20.04.3 LTS
Linux usaddxprdsqlpm5 5.4.0-81-generic #91-Ubuntu SMP Thu Jul 15 19:09:17 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Description
After 10+ years running MySQL and MariaDB, I have never had a server crash on me like this.
Am I right that the issue was related to the referenced query in the partial stake trace?
Any suggestions on what I can do to troubleshoot this?
211014 16:13:53 [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: 10.3.31-MariaDB-1:10.3.31+maria~focal-log
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key_buffer_size=134217728
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read_buffer_size=131072
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max_used_connections=587
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max_threads=752
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thread_count=81
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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 = 1784362 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: 0x7f13e83b3768
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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 = 0x7f1644e96dd8 thread_stack 0x49000
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/usr/sbin/mysqld(my_print_stacktrace+0x32)[0x55d5a2f6f3a2]
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/usr/sbin/mysqld(handle_fatal_signal+0x55d)[0x55d5a2a46e8d]
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/lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0)[0x7f27569fc3c0]
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/usr/sbin/mysqld(+0x978f4f)[0x55d5a2bdbf4f]
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/usr/sbin/mysqld(_ZN7handler10ha_rnd_posEPhS0_+0x50)[0x55d5a2a4c6d0]
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/usr/sbin/mysqld(_Z16rr_from_pointersP11READ_RECORD+0x3e)[0x55d5a2b7cb2e]
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/usr/sbin/mysqld(_Z10sub_selectP4JOINP13st_join_tableb+0x18e)[0x55d5a28869be]
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/usr/sbin/mysqld(_ZN4JOIN10exec_innerEv+0xbee)[0x55d5a28b0dce]
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/usr/sbin/mysqld(_ZN4JOIN4execEv+0x37)[0x55d5a28b1137]
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/usr/sbin/mysqld(_Z12mysql_selectP3THDP10TABLE_LISTjR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0xf2)[0x55d5a28b1282]
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/usr/sbin/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x14b)[0x55d5a28b1bcb]
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/usr/sbin/mysqld(+0x5de9f1)[0x55d5a28419f1]
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/usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x5414)[0x55d5a284f6e4]
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/usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x1f3)[0x55d5a2852253]
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/usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0x105d)[0x55d5a285462d]
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/usr/sbin/mysqld(_Z10do_commandP3THD+0x12d)[0x55d5a28565dd]
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/usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x246)[0x55d5a293f186]
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/usr/sbin/mysqld(handle_one_connection+0x3f)[0x55d5a293f35f]
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/lib/x86_64-linux-gnu/libpthread.so.0(+0x9609)[0x7f27569f0609]
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/lib/x86_64-linux-gnu/libc.so.6(clone+0x43)[0x7f2756915293]
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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 (0x7f13e84a8b70): SELECT * FROM ((
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#
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# get postings from last statement and postings not on statements
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#
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SELECT a.*, COALESCE(ci.id, i.id) as invoice_id
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FROM ddx_lab_801317.postings a
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LEFT JOIN ddx_lab_801317.cases_invoices ci
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ON a.ref_type = 'CASE_INVOICE' AND a.ref_id = ci.id
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LEFT JOIN ddx_lab_801317.invoices i
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ON a.ref_type = 'INVOICE' AND a.ref_id = i.id
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WHERE (
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a.statement_date IS NULL
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OR a.statement_date = '2021-09-27'
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)
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AND a.practice_id='19686'
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ORDER BY post_date
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) UNION (
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#
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# get postings that have remaining balances
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#
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SELECT DISTINCT a.*, COALESCE(ci.id, i.id) as invoice_id
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FROM ddx_lab_801317.postings a
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LEFT JOIN ddx_lab_801317.cases_invoices ci
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ON a.ref_type = 'CASE_INVOICE' AND a.ref_id = ci.id
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LEFT JOIN ddx_lab_801317.invoices i
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ON a.ref_type = 'INVOICE' AND a.ref_id = i.id
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LEFT JOIN ddx_lab_801317.postings b
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ON a.ref_type = b.ref_type
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AND a.ref_id = b.ref_id
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AND a.id != b.id
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WHERE NOT (a.type = 'CREDIT' OR a.type = 'PAYMENT')
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AND ((SELECT SUM(b.amount)) IS NULL OR (SELECT SUM(a.amount)) + (SELECT SUM(b.amount)) > 0)
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AND a.practice_id='19686'
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GROUP BY a.id
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ORDER BY post_date
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) UNION (
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#
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# get partial payments and credits from older statements
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#
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SELECT a.*, COALESCE(ci.id, i.id) as invoice_id
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FROM ddx_lab_801317.postings a
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LEFT JOIN ddx_lab_801317.cases_invoices ci
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ON a.ref_type = 'CASE_INVOICE' AND a.ref_id = ci.id
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LEFT JOIN ddx_lab_801317.invoices i
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ON a.ref_type = 'INVOICE' AND a.ref_id = i.id
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WHERE (
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a.statement_date < '2021-09-27'
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)
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AND (a.type='PAYMENT' OR a.type='CREDIT')
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AND a.practice_id='19686' )) AS t1 ORDER BY post_date ASC, invoice_id ASC
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Connection ID (thread ID): 21014956
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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=on,condition_pushdown_for_derived=on,split_materialized=on
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The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
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information that should help you find out what is causing the crash.
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Writing a core file...
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Working directory at /var/lib/mysql
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Resource Limits:
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Limit Soft Limit Hard Limit Units
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Max cpu time unlimited unlimited seconds
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Max file size unlimited unlimited bytes
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Max data size unlimited unlimited bytes
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Max stack size 8388608 unlimited bytes
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Max core file size 0 unlimited bytes
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Max resident set unlimited unlimited bytes
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Max processes unlimited unlimited processes
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Max open files 1048576 1048576 files
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Max locked memory unlimited unlimited bytes
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Max address space unlimited unlimited bytes
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Max file locks unlimited unlimited locks
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Max pending signals 514974 514974 signals
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Max msgqueue size 819200 819200 bytes
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Max nice priority 0 0
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Max realtime priority 0 0
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Max realtime timeout unlimited unlimited us
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Core pattern: core
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