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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

    • Type: Sub-task
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 0.98.5, 0.94.23
    • Fix Version/s: 0.98.7, 0.94.24, 0.99.1
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

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

        Attachments

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

          Activity

            People

            • Assignee:
              vrodionov Vladimir Rodionov
              Reporter:
              vrodionov Vladimir Rodionov
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              Dates

              • Created:
                Updated:
                Resolved: