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  1. MariaDB Server
  2. MDEV-14984

regression in connect performance

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Critical
    • Resolution: Fixed
    • 10.3.1
    • 10.3.15, 10.4.5
    • Server
    • None
    • 10.1.31

    Description

      This was found by the regression test suite. While we had a nice improvement in connect performance in MariaDB 10.2, a lot of that was lost between 10.3.0 and 10.3.1.

      #Workload: connect; select 1; disconnect;
      #numbers: connects per second (bigger=better)
      #
      #thread count           1       8       16      32      64      128     256
      ...
      mariadb-10.2.10         9740.9  70063   115054  132711  131760  128702  123058
      mariadb-10.2.11         9198.6  70738   114843  132299  131002  128688  122573
      mariadb-10.3.0          8733.6  69989   112238  121092  120087  119833  114413
      mariadb-10.3.1          8479.1  59291   80954   81046   80629   80344   79407
      mariadb-10.3.2          8439.2  60418   81373   81412   80924   80519   80056
      mariadb-10.3.3          8953.7  43717   80714   80412   78967   78009   75566                                                           
      mariadb-10.3.4          8939.6  48065   80113   79996   78368   78175   74769
      

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            svoj Sergey Vojtovich
            axel Axel Schwenke
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              Updated:
              Resolved:

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