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  1. MariaDB Server
  2. MDEV-164

lp:941889 JOIN constructors takes a long time in 5.3

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 5.5.20, 5.3.4
    • Fix Version/s: 5.5.22
    • Component/s: None
    • Labels:
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      Description

      According to VisualStudio CPU sampling profiler, major performance overhead in 5.3

      A possible explanation along with benchmark numbers can be found in the corresponding LP bug here https://bugs.launchpad.net/maria/+bug/941889

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            Assignee:
            monty Michael Widenius
            Reporter:
            wlad Vladislav Vaintroub
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