Lucene - Core
  1. Lucene - Core
  2. LUCENE-651

Poor performance race condition in FieldCacheImpl

    Details

    • Type: Improvement Improvement
    • Status: Resolved
    • Priority: Minor Minor
    • Resolution: Fixed
    • Affects Version/s: 2.0.0
    • Fix Version/s: None
    • Component/s: core/search
    • Labels:
      None
    • Lucene Fields:
      Patch Available

      Description

      A race condition exists in FieldCacheImpl that causes a significant performance degradation if multiple threads concurrently request a value that is not yet cached. The degradation is particularly noticable in large indexes and when there a many concurent requests for the cached value.

      For the full discussion see the mailing list thread 'Poor performance "race condition" in FieldSortedHitQueue' (http://www.gossamer-threads.com/lists/lucene/java-user/38717).

      1. LUCENE-651.patch
        14 kB
        Oliver Hutchison

        Activity

        No work has yet been logged on this issue.

          People

          • Assignee:
            Otis Gospodnetic
            Reporter:
            Oliver Hutchison
          • Votes:
            1 Vote for this issue
            Watchers:
            2 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development