OpenJPA
  1. OpenJPA
  2. OPENJPA-439

Performance degradation in multi-transaction operations

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major 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

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

        Activity

        Patrick Linskey created issue -
        Patrick Linskey made changes -
        Field Original Value New Value
        Attachment OPENJPA-439.patch [ 12369278 ]
        Christiaan made changes -
        Attachment testcaseperformance.zip [ 12369326 ]
        Christiaan made changes -
        Attachment performance testcase results.zip [ 12369327 ]
        Patrick Linskey made changes -
        Attachment OPENJPA-439-patch.jar [ 12369329 ]
        Patrick Linskey made changes -
        Resolution Fixed [ 1 ]
        Status Open [ 1 ] Resolved [ 5 ]
        Donald Woods made changes -
        Status Resolved [ 5 ] Closed [ 6 ]

          People

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

            Dates

            • Created:
              Updated:
              Resolved:

              Development