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  1. Hadoop HDFS
  2. HDFS-6685

Balancer should preserve storage type of replicas

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.6.0
    • Component/s: balancer & mover
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      When Balancer moves replicas to balance the cluster, it should always move replicas from a storage with any type to another storage with the same type, i.e. it preserves storage type of replicas. It does not make sense to move replicas to a different storage type.

        Attachments

        1. h6685_20140728.patch
          59 kB
          Tsz-wo Sze
        2. h6685_20140729.patch
          60 kB
          Tsz-wo Sze
        3. h6685_20140730.patch
          60 kB
          Tsz-wo Sze
        4. h6685_20140730b.patch
          60 kB
          Tsz-wo Sze
        5. h6685_20140731.patch
          61 kB
          Tsz-wo Sze

          Issue Links

          is duplicated by

          Sub-task - The sub-task of the issue HDFS-4989 Balancer needs to consider storage type in balancing

          • Major - Major loss of function.
          • Resolved
          is required by

          New Feature - A new feature of the product, which has yet to be developed. HDFS-6584 Support Archival Storage

          • Major - Major loss of function.
          • Closed
          requires

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-6739 Add getDatanodeStorageReport to ClientProtocol

          • Major - Major loss of function.
          • Closed

            Activity

              People

              • Assignee:
                szetszwo Tsz-wo Sze
                Reporter:
                szetszwo Tsz-wo Sze
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                Dates

                • Created:
                  Updated:
                  Resolved: