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  1. MariaDB Server
  2. MDEV-656

LP:771934 - archive discovery very slow

        Details

        • Type: Bug
        • Status: Closed
        • Priority: Minor
        • Resolution: Fixed
        • Affects Version/s: 5.5.33, 5.1.67, 5.2.14, 5.3.12
        • Fix Version/s: 10.0.4
        • Component/s: None
        • Labels:

          Description

          according to our users with lots of archive tables, discovery overhead is very noticeable:

          show table 'non-existing table' randomly times out in a database with thousands of archive tables.
          ..
          <dreas> actually "show tables" is also very slow. MyISAM: 2961 rows in set (3.71 sec), ARCHIVE: 2954 rows in set (36.96 sec)

          using a binary with disabled discovery in archive has solved these problems.

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                relates to

                Task - A task that needs to be done. MDEV-3808 Better table discovery

                • Major - Major loss of function.
                • Closed

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                  ratzpo Rasmus Johansson added a comment -

                  Launchpad bug id: 771934

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                  ratzpo Rasmus Johansson added a comment - Launchpad bug id: 771934
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                  serg Sergei Golubchik added a comment -

                  Fixed in the new recovery code.
                  (I was not able to repeat the slowdown)

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                  serg Sergei Golubchik added a comment - Fixed in the new recovery code. (I was not able to repeat the slowdown)

                    People

                    • Assignee:
                      serg Sergei Golubchik
                      Reporter:
                      serg Sergei Golubchik
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                      • Created:
                        Updated:
                        Resolved: