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  1. Hadoop HDFS
  2. HDFS-4645

Move from randomly generated block ID to sequentially generated block ID

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 3.0.0-alpha1
    • Fix Version/s: 2.1.0-beta
    • Component/s: namenode
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Currently block IDs are randomly generated. This means there is no pattern to block ID generation and no guarantees such as uniqueness of block ID for the life time of the system can be made. I propose using SequentialNumber for block ID generation.

        Attachments

        1. HDFS-4645.branch-2.patch
          95 kB
          Arpit Agarwal
        2. HDFS-4645.006.patch
          94 kB
          Arpit Agarwal
        3. HDFS-4645.005.patch
          90 kB
          Arpit Agarwal
        4. HDFS-4645.004.patch
          80 kB
          Arpit Agarwal
        5. HDFS-4645.003.patch
          78 kB
          Arpit Agarwal
        6. editsStored
          4 kB
          Arpit Agarwal
        7. HDFS-4645.002.patch
          79 kB
          Arpit Agarwal
        8. HDFS-4645.001.patch
          42 kB
          Arpit Agarwal
        9. SequentialblockIDallocation.pdf
          68 kB
          Arpit Agarwal

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              • Assignee:
                arp Arpit Agarwal
                Reporter:
                sureshms Suresh Srinivas
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                Dates

                • Created:
                  Updated:
                  Resolved: