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  1. MariaDB Server
  2. MDEV-14280

sys_vars.innodb_buffer_pool_dump_at_shutdown_basic fails sporadically in buildbot with my_errno: 175

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Minor
    • Resolution: Won't Fix
    • 10.2
    • N/A
    • Tests
    • None

    Description

      There are no logs for the failure at the moment. The output looks like this:

      sys_vars.innodb_buffer_pool_dump_at_shutdown_basic 'innodb' w2 [ fail ]
              Test ended at 2017-08-05 01:05:04
       
      CURRENT_TEST: sys_vars.innodb_buffer_pool_dump_at_shutdown_basic
      mysqltest: At line 42: command "file_exists" failed with error: 1  my_errno: 175  errno: 2
       
      The result from queries just before the failure was:
      < snip >
      @orig
      1
      SET GLOBAL innodb_buffer_pool_dump_at_shutdown = OFF;
      SELECT @@global.innodb_buffer_pool_dump_at_shutdown;
      @@global.innodb_buffer_pool_dump_at_shutdown
      0
      SET GLOBAL innodb_buffer_pool_dump_at_shutdown = ON;
      SELECT @@global.innodb_buffer_pool_dump_at_shutdown;
      @@global.innodb_buffer_pool_dump_at_shutdown
      1
      SET GLOBAL innodb_buffer_pool_dump_at_shutdown = 12.34;
      Got one of the listed errors
      SET GLOBAL innodb_buffer_pool_dump_at_shutdown = "string";
      Got one of the listed errors
      SET GLOBAL innodb_buffer_pool_dump_at_shutdown = 5;
      Got one of the listed errors
      

      At the first glance, it looks similar to MDEV-9713 / MDEV-10651, but it is not.

      The test does the following:

      • set innodb_buffer_pool_dump_at_shutdown = ON
      • remove the dump file
      • make sure it doesn't exist
      • restart the server
      • make sure the dump file exists now

      => and apparently it doesn't find the dump file, hence the error.

      The failure has only been seen on 10.2-based branches so far.

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            Unassigned Unassigned
            elenst Elena Stepanova
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            Dates

              Created:
              Updated:
              Resolved:

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