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  1. Hadoop HDFS
  2. HDFS-1120

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

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 0.23.0
    • datanode
    • None
    • Reviewed
    • Make the DataNode's block-volume choosing policy pluggable.
    • 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

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              qwertymaniac Harsh J
              hammer Jeff Hammerbacher
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              Dates

                Created:
                Updated:
                Resolved: