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  1. Hadoop HDFS
  2. HDFS-1120

Make DataNode's block-to-device placement policy pluggable

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.23.0
    • Component/s: datanode
    • Labels:
      None
    • Hadoop Flags:
      Reviewed
    • Release Note:
      Make the DataNode's block-volume choosing policy pluggable.
    • Tags:
      datanode, volumes, policy

      Description

      As discussed on the mailing list, as the number of disk drives per server increases, it would be useful to allow the DataNode's policy for new block placement to grow in sophistication from the current round-robin strategy.

        Attachments

        1. HDFS-1120.r4.diff
          12 kB
          Harsh J
        2. HDFS-1120.r3.diff
          12 kB
          Harsh J
        3. HDFS-1120.r2.diff
          13 kB
          Harsh J
        4. HDFS-1120.r1.diff
          12 kB
          Harsh J

          Issue Links

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              • Assignee:
                qwertymaniac Harsh J
                Reporter:
                hammer Jeff Hammerbacher
              • Votes:
                4 Vote for this issue
                Watchers:
                26 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: