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    Details

    • Type: Sub-task
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 10.3.1.4
    • Fix Version/s: 10.3.1.4
    • Component/s: Services
    • Labels:
      None
    • Bug behavior facts:
      Performance

      Description

      When multiple threads enter the lock manager, only one can access the hash table in LockSet. To improve scalability on multiple CPUs, it should be possible to have more than one thread accessing the lock table at the same time.

        Attachments

        1. niagara-select.png
          5 kB
          Knut Anders Hatlen
        2. niagara-join.png
          5 kB
          Knut Anders Hatlen
        3. derby-2327-4a.stat
          0.4 kB
          Knut Anders Hatlen
        4. derby-2327-4a.diff
          33 kB
          Knut Anders Hatlen
        5. derby-2327-3a.diff
          1 kB
          Knut Anders Hatlen
        6. derby-2327-2a.stat
          0.1 kB
          Knut Anders Hatlen
        7. derby-2327-2a.diff
          15 kB
          Knut Anders Hatlen
        8. derby-2327-1a.stat
          0.5 kB
          Knut Anders Hatlen
        9. derby-2327-1a.diff
          25 kB
          Knut Anders Hatlen
        10. ConcurrentHashMap.diff
          13 kB
          Knut Anders Hatlen
        11. 8cpu-select.png
          5 kB
          Knut Anders Hatlen
        12. 8cpu-join.png
          5 kB
          Knut Anders Hatlen
        13. 2cpu-select.png
          5 kB
          Knut Anders Hatlen
        14. 2cpu-join.png
          5 kB
          Knut Anders Hatlen

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              • Assignee:
                knutanders Knut Anders Hatlen
                Reporter:
                knutanders Knut Anders Hatlen
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                Dates

                • Created:
                  Updated:
                  Resolved: