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  1. OpenJPA
  2. OPENJPA-439

Performance degradation in multi-transaction operations

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.9.0, 0.9.6, 0.9.7, 1.0.0, 1.0.1, 1.0.2, 1.1.0
    • 1.1.0
    • kernel
    • None

    Description

      Reusing a Broker for multiple transactions / persistence contexts demonstrates a performance degradation, possibly due to explicit calls to clear sets and maps, rather than just dereferencing them.

      Discussion: http://www.nabble.com/Performance-drop-in-AbstractHashedMap.clear%28%29-tf4769771.html#a13656730

      Attachments

        1. OPENJPA-439.patch
          5 kB
          Patrick Linskey
        2. OPENJPA-439-patch.jar
          45 kB
          Patrick Linskey
        3. performance testcase results.zip
          74 kB
          Christiaan
        4. testcaseperformance.zip
          4 kB
          Christiaan

        Activity

          People

            Unassigned Unassigned
            pcl Patrick Linskey
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            Dates

              Created:
              Updated:
              Resolved: