Uploaded image for project: 'OpenJPA'
  1. OpenJPA
  2. OPENJPA-439

Performance degradation in multi-transaction operations

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.9.0, 0.9.6, 0.9.7, 1.0.0, 1.0.1, 1.0.2, 1.1.0
    • Fix Version/s: 1.1.0
    • Component/s: kernel
    • Labels:
      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.jar
          45 kB
          Patrick Linskey
        2. performance testcase results.zip
          74 kB
          Christiaan
        3. testcaseperformance.zip
          4 kB
          Christiaan
        4. OPENJPA-439.patch
          5 kB
          Patrick Linskey

          Activity

            People

            • Assignee:
              Unassigned
              Reporter:
              pcl Patrick Linskey
            • Votes:
              0 Vote for this issue
              Watchers:
              1 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: