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  1. Hadoop Common
  2. HADOOP-4567

GetFileBlockLocations should return the NetworkTopology information of the machines that hosts those blocks

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.20.0
    • None
    • None
    • Incompatible change, Reviewed
    • Changed GetFileBlockLocations to return topology information for nodes that host the block replicas.

    Description

      MultiFileInputFormat and FileInputFormat should use block locality information to construct splits.

      Attachments

        1. dfsRackLocation3.patch
          6 kB
          Dhruba Borthakur
        2. dfsRackLocation2.patch
          6 kB
          Dhruba Borthakur
        3. dfsRackLocation.patch
          5 kB
          Dhruba Borthakur

        Issue Links

          blocks

          Bug - A problem which impairs or prevents the functions of the product. HADOOP-3293 When an input split spans cross block boundary, the split location should be the host having most of bytes on it.

          • Major - Major loss of function.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. HADOOP-4565 MultiFileInputSplit can use data locality information to create splits

          • Major - Major loss of function.
          • Closed

          Activity

            People

              dhruba Dhruba Borthakur
              dhruba Dhruba Borthakur
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              Dates

                Created:
                Updated:
                Resolved: