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  1. Hadoop HDFS
  2. HDFS-8793 Improve BlockManager memory and performance
  3. HDFS-8792

BlockManager#postponedMisreplicatedBlocks should use a LightWeightHashSet to save memory

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 2.8.0, 3.0.0-alpha1
    • None
    • None

    Description

      LightWeightHashSet requires fewer memory than java hashset.

      Attachments

        1. HDFS-8792.001.patch
          2 kB
          Yi Liu
        2. HDFS-8792.002.patch
          6 kB
          Yi Liu
        3. HDFS-8792.003.patch
          6 kB
          Yi Liu

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. HDFS-11179 LightWeightHashSet can't remove blocks correctly which have a large number blockId

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              hitliuyi Yi Liu
              hitliuyi Yi Liu
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              Dates

                Created:
                Updated:
                Resolved: