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  1. MariaDB Server
  2. MDEV-7182

server crash while testing optimizer_use_condition_selectivity=5

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 10.0.14
    • Fix Version/s: 10.0.15
    • Component/s: Optimizer
    • Labels:
      None

      Description

      using original (downloaded some hours ago) mariadb-10.0.14 (glibc < 2.14 binary package)

      running

      # ldd --version
      ldd (GNU libc) 2.8

      141124  0:31:37 [ERROR] mysqld got signal 11 ;
      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 http://kb.askmonty.org/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: 10.0.14-MariaDB-log
      key_buffer_size=5242880000
      read_buffer_size=6291456
      max_used_connections=51
      max_threads=92
      thread_count=10
      It is possible that mysqld could use up to
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 6252379 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x0x7f775cd68008
      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...
      stack_bottom = 0x406f70a0 thread_stack 0x48000
      mysys/stacktrace.c:247(my_print_stacktrace)[0xbbcdbe]
      sql/signal_handler.cc:153(handle_fatal_signal)[0x71a83c]
      /lib/libpthread.so.0[0x7f78c071f8f0]
      sql/sql_select.cc:7228(table_multi_eq_cond_selectivity)[0x5bd42c]
      sql/sql_select.cc:7719(best_extension_by_limited_search)[0x5ddf62]
      sql/sql_select.cc:6901(greedy_search)[0x5df62b]
      sql/sql_select.cc:4022(make_join_statistics)[0x5e5de3]
      sql/sql_select.cc:1338(JOIN::optimize_inner())[0x5e6c5a]
      sql/sql_select.cc:1036(JOIN::optimize())[0x5e9bf2]
      sql/sql_select.cc:372(handle_select(THD*, LEX*, select_result*, unsigned long))[0x5ed99d]
      sql/sql_parse.cc:5270(execute_sqlcom_select)[0x5902a0]
      sql/sql_parse.cc:2552(mysql_execute_command(THD*))[0x595cc7]
      sql/sql_parse.cc:6415(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x59d0aa]
      sql/sql_parse.cc:6415(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x59d0aa]
      sql/sql_parse.cc:1309(dispatch_command(enum_server_command, THD*, char*, unsigned int))[0x59ee57]
      sql/sql_parse.cc:1004(do_command(THD*))[0x59f568]
      sql/sql_connect.cc:1379(do_handle_one_connection(THD*))[0x668074]
      sql/sql_connect.cc:1295(handle_one_connection)[0x6681b2]
      /lib/libpthread.so.0[0x7f78c0717fe7]
      /lib/libc.so.6(clone+0x6d)[0x7f78bf6b82bd]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7f775fdfb020): is an invalid pointer
      Connection ID (thread ID): 3979
      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=off,table_elimination=on,extended_keys=on,exists_to_in=on
       
      The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
      information that should help you find out what is causing the crash.
      141124 00:31:39 mysqld_safe Number of processes running now: 0
      141124 00:31:39 mysqld_safe mysqld restarted


      query:

      SELECT SQL_NO_CACHE SQL_SMALL_RESULT  
      b.valor_un_produto+(b.valor_un_pg-b.valor_un),b.data_hora FROM spamov_itens AS b,spamov AS a 
      WHERE 
      b.unidade_id=a.unidade_id AND b.lote_tipo=a.lote_tipo AND b.lote_spa=a.lote_spa AND 
      a.unidade_id=1001 AND a.lote_tipo='v' AND b.item_id=67 AND b.item_id_red=969 AND 
      a.cliente_tipo='j' AND a.cliente_id=23283 ORDER BY a.lote_spa DESC LIMIT 1

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              Assignee:
              Unassigned
              Reporter:
              rspadim roberto spadim
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                Updated:
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