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  1. Derby
  2. DERBY-2107

Move page latching out of the lock manager

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Details

    • Improvement
    • Status: Closed
    • Minor
    • Resolution: Fixed
    • 10.3.1.4
    • 10.3.1.4
    • Services, Store
    • None
    • Performance

    Description

      Latching of pages could be done more efficiently locally in store than in the lock manager. See the discussion here: http://thread.gmane.org/gmane.comp.apache.db.derby.devel/33135

      Attachments

        1. derby-2107-1a.diff
          22 kB
          Knut Anders Hatlen
        2. derby-2107-1a.stat
          0.5 kB
          Knut Anders Hatlen
        3. derby-2107-1b.diff
          23 kB
          Knut Anders Hatlen
        4. derby-2107-1c.diff
          9 kB
          Knut Anders Hatlen
        5. derby-2107-1c.stat
          0.1 kB
          Knut Anders Hatlen
        6. derby-2107-1d.diff
          10 kB
          Knut Anders Hatlen
        7. derby-2107-2a.diff
          9 kB
          Knut Anders Hatlen
        8. derby-2107-2a.diff
          9 kB
          Knut Anders Hatlen
        9. derby-2107-2a.stat
          0.2 kB
          Knut Anders Hatlen
        10. derby-2107-2a.stat
          0.2 kB
          Knut Anders Hatlen
        11. derby-2107-3a.diff
          3 kB
          Knut Anders Hatlen
        12. derby-2107-3a.stat
          0.2 kB
          Knut Anders Hatlen
        13. derby-2107-4a.diff
          2 kB
          Knut Anders Hatlen
        14. derby-2107-4a.stat
          0.1 kB
          Knut Anders Hatlen

        Issue Links

          is blocked by

          Improvement - An improvement or enhancement to an existing feature or task. DERBY-2197 Remove unused code for locking rows while holding a latch

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed
          is related to

          Improvement - An improvement or enhancement to an existing feature or task. DERBY-2291 Add timeout on latch wait

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. DERBY-2292 Create a VTI which lists all held latches

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Activity

            People

              knutanders Knut Anders Hatlen
              knutanders Knut Anders Hatlen
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              Dates

                Created:
                Updated:
                Resolved: