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  1. HBase
  2. HBASE-12058 [Umbrella] Reduce unnecessary object allocations
  3. HBASE-12023

HRegion.applyFamilyMapToMemstore creates too many iterator objects.

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Details

    • Sub-task
    • Status: Closed
    • Minor
    • Resolution: Fixed
    • 0.98.5, 0.94.23
    • 0.98.7, 0.94.24, 0.99.1
    • None
    • None
    • Reviewed

    Description

      for ... loop (creates iterator) inside another for loop. Produces a lot of garbage. See attached picture.

      Attachments

        1. 12023-trunk.txt
          1 kB
          Lars Hofhansl
        2. applyFamilyMapToMemstore (1).tiff
          307 kB
          Vladimir Rodionov
        3. HBASE-12023.patch
          0.8 kB
          Vladimir Rodionov
        4. HBASE-12023-0.94.patch
          0.8 kB
          Vladimir Rodionov
        5. HBASE-12023-0.94-add.patch
          3 kB
          Vladimir Rodionov
        6. HBASE-12023-add.patch
          3 kB
          Vladimir Rodionov

        Activity

          People

            vrodionov Vladimir Rodionov
            vrodionov Vladimir Rodionov
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            Dates

              Created:
              Updated:
              Resolved: