2022-07-20 08:13:14 0x2b6fd11bb700 InnoDB: Assertion failure in file /local/p4clients/pkgbuild-78Qdm/workspace/src/RDSMariaDB/storage/innobase/row/row0sel.cc line 2973
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InnoDB: Failing assertion: prebuilt->trx->isolation_level == TRX_ISO_READ_UNCOMMITTED
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InnoDB: We intentionally generate a memory trap.
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InnoDB: Submit a detailed bug report to https://jira.mariadb.org/
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InnoDB: If you get repeated assertion failures or crashes, even
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InnoDB: immediately after the mysqld startup, there may be
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InnoDB: corruption in the InnoDB tablespace. Please refer to
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InnoDB: https://mariadb.com/kb/en/library/innodb-recovery-modes/
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InnoDB: about forcing recovery.
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220720 8:13:14 [ERROR] mysqld got signal 6 ;
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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: 10.5.13-MariaDB-log
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key_buffer_size=16777216
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read_buffer_size=262144
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max_used_connections=467
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max_threads=3002
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thread_count=468
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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 = 7004922 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: 0x2b6fc68a4698
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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 = 0x2b6fd11b9578 thread_stack 0x40000
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mysys/stacktrace.c:213(my_print_stacktrace)[0x56456e7a6ace]
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sql/signal_handler.cc:222(handle_fatal_signal)[0x56456df535db]
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sigaction.c:0(__restore_rt)[0x2b6cbc2a5100]
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:0(__GI_raise)[0x2b6cbc4e75f7]
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:0(__GI_abort)[0x2b6cbc4e8ce8]
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ut/ut0rbt.cc:458(rbt_eject_node)[0x56456dc70e8e]
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row/row0sel.cc:2977(row_sel_store_mysql_field)[0x56456dc6fa9a]
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row/row0sel.cc:3175(row_sel_store_mysql_rec)[0x56456dc6fda5]
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row/row0sel.cc:5497(row_search_mvcc(unsigned char*, page_cur_mode_t, row_prebuilt_t*, unsigned long, unsigned long))[0x56456e5959fc]
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handler/ha_innodb.cc:9096(ha_innobase::general_fetch(unsigned char*, unsigned int, unsigned int))[0x56456e4aad29]
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sql/handler.cc:3187(handler::ha_index_next(unsigned char*))[0x56456df5884f]
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sql/sql_select.cc:21917(join_read_next)[0x56456ddac2ac]
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sql/sql_select.cc:20894(sub_select(JOIN*, st_join_table*, bool))[0x56456dda2ff3]
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sql/sql_select.cc:20407(do_select)[0x56456ddc406f]
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sql/sql_select.cc:4297(JOIN::exec())[0x56456ddc45b0]
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sql/sql_select.cc:4775(mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*))[0x56456ddc28d4]
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sql/sql_select.cc:444(handle_select(THD*, LEX*, select_result*, unsigned long))[0x56456ddc327e]
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sql/sql_parse.cc:6351(execute_sqlcom_select)[0x56456dd6b3b1]
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sql/sql_parse.cc:5985(mysql_execute_command(THD*))[0x56456dd684b9]
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sql/sql_parse.cc:8224(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x56456dd6dc80]
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sql/sql_parse.cc:1966(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x56456dd64f1e]
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sql/sql_parse.cc:1378(do_command(THD*))[0x56456dd6372d]
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sql/sql_connect.cc:1461(do_handle_one_connection(CONNECT*, bool))[0x56456de52506]
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sql/sql_connect.cc:1359(handle_one_connection)[0x56456de52874]
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perfschema/pfs.cc:2204(pfs_spawn_thread)[0x56456e423bec]
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pthread_create.c:0(start_thread)[0x2b6cbc29ddc5]
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??:0(__clone)[0x2b6cbc5a8c9d]
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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 (0x2b6fc69c96b0): -- no. of transactions recorded accessing payslips at a given day
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select count(*), year, month,day
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from
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(select *, year(created_at) as year, month(created_at) as month, day(created_at) as day
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from activity) test
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where object_id like '%payroll/payslips%'
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and month in ('6','7')
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group by year, month, day
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order by count(*) desc
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Connection ID (thread ID): 431
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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=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off
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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 /rdsdbdata/db
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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 unlimited 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 65536 65536 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 62942 62942 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: /rdsdbdata/tmp/core-%e-%p
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2022-07-20 8:13:33 0 [Note] InnoDB: Uses event mutexes
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