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  1. Hadoop HDFS
  2. HDFS-8031 Follow-on work for erasure coding phase I (striping layout)
  3. HDFS-8786

Erasure coding: use simple replication for internal blocks on decommissioning datanodes

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Details

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

    Description

      Per discussion under HDFS-8697, it's too expensive to reconstruct block groups for decomm purpose.

      Attachments

        1. HDFS-8786-001.patch
          21 kB
          Rakesh Radhakrishnan
        2. HDFS-8786-002.patch
          26 kB
          Rakesh Radhakrishnan
        3. HDFS-8786-003.patch
          26 kB
          Rakesh Radhakrishnan
        4. HDFS-8786-004.patch
          33 kB
          Rakesh Radhakrishnan
        5. HDFS-8786-005.patch
          29 kB
          Rakesh Radhakrishnan
        6. HDFS-8786-006.patch
          29 kB
          Rakesh Radhakrishnan
        7. HDFS-8786-draft.patch
          8 kB
          Rakesh Radhakrishnan

        Issue Links

        is related to

        Sub-task - The sub-task of the issue HDFS-9818 Correctly handle EC reconstruction work caused by not enough racks

        • Major - Major loss of function.
        • Resolved

        Improvement - An improvement or enhancement to an existing feature or task. HDFS-16874 Improve DataNode decommission for Erasure Coding

        • Major - Major loss of function.
        • Open

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            rakeshr Rakesh Radhakrishnan
            zhz Zhe Zhang
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            Dates

              Created:
              Updated:
              Resolved:

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