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  1. MariaDB Server
  2. MDEV-28122

OPTIMIZE TABLE crash

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      The InnoDB table file is 144 GB; the #sql-alter-2964-a.ibd file is 56 GB in size, which might very well be its final size; about 700 million rows had been deleted from the table. There are currently 174 GB free on the data device (with both files in place).

      I received the following crash:

      220318  9:01:01 [ERROR] mysqld got exception 0xc0000005 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed, 
      something is definitely wrong and this may fail.
       
      Server version: 10.6.7-MariaDB
      key_buffer_size=134217728
      read_buffer_size=131072
      max_used_connections=28
      max_threads=65537
      thread_count=12
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 142742881 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x270ab8fc038
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      server.dll!row_log_table_apply_op()[row0log.cc:2475]
      server.dll!row_log_table_apply_ops()[row0log.cc:3066]
      server.dll!row_log_table_apply()[row0log.cc:3174]
      server.dll!ha_innobase::inplace_alter_table()[handler0alter.cc:8485]
      server.dll!mysql_inplace_alter_table()[sql_table.cc:7409]
      server.dll!mysql_alter_table()[sql_table.cc:10266]
      server.dll!mysql_recreate_table()[sql_table.cc:11319]
      server.dll!admin_recreate_table()[sql_admin.cc:67]
      server.dll!mysql_admin_table()[sql_admin.cc:1130]
      server.dll!Sql_cmd_optimize_table::execute()[sql_admin.cc:1515]
      server.dll!mysql_execute_command()[sql_parse.cc:6008]
      server.dll!mysql_parse()[sql_parse.cc:8033]
      server.dll!dispatch_command()[sql_parse.cc:1898]
      server.dll!do_command()[sql_parse.cc:1404]
      server.dll!threadpool_process_request()[threadpool_common.cc:403]
      server.dll!tp_callback()[threadpool_common.cc:203]
      KERNEL32.DLL!QueryPerformanceCounter()
      ntdll.dll!TpReleaseWork()
      ntdll.dll!RtlInitializeResource()
      KERNEL32.DLL!BaseThreadInitThunk()
      ntdll.dll!RtlUserThreadStart()
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x270a8fd3480): OPTIMIZE TABLE node_log
      Connection ID (thread ID): 10
      Status: NOT_KILLED
       
      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
       
      The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
      information that should help you find out what is causing the crash.
      Writing a core file at C:\ProgramData\MariaDB 10.6\
      Minidump written to C:\ProgramData\MariaDB 10.6\mysqld.dmp
      

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              thiru Thirunarayanan Balathandayuthapani
              axel.doerfler Axel Dörfler
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                Updated:
                Resolved:

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