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  1. Hadoop HDFS
  2. HDFS-15295

AvailableSpaceBlockPlacementPolicy should use chooseRandomWithStorageTypeTwoTrial() for better performance.

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Details

    • Improvement
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • 3.1.4, 3.2.2, 3.3.1, 3.4.0
    • 3.1.4, 3.2.2, 3.3.1, 3.4.0
    • block placement
    • None

    Description

      The chooseRandomWithStorageTypeTwoTrial is introduced in HDFS-11535 for better performance.  I think the AvailableSpaceBlockPlacementPolicy should use this too.

      Attachments

        1. HDFS-15295.001.patch
          1 kB
          Jinglun

        Issue Links

        is related to

        Sub-task - The sub-task of the issue HDFS-11535 Performance analysis of new DFSNetworkTopology#chooseRandom

        • Major - Major loss of function.
        • Resolved
        relates to

        Improvement - An improvement or enhancement to an existing feature or task. HDFS-16223 AvailableSpaceRackFaultTolerantBlockPlacementPolicy should use chooseRandomWithStorageTypeTwoTrial() for better performance.

        • Major - Major loss of function.
        • Resolved

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            LiJinglun Jinglun
            LiJinglun Jinglun
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              Resolved:

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