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  1. Hadoop Map/Reduce
  2. MAPREDUCE-2405

MR-279: Implement uber-AppMaster (in-cluster LocalJobRunner for MRv2)

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.23.0
    • mrv2
    • None
    • An efficient implementation of small jobs by running all tasks in the MR ApplicationMaster JVM, there-by affecting lower latency.

    Description

      "Port" MAPREDUCE-1220 to MRv2. This is an optimization for small jobs wherein all tasks run on the same node in the same JVM/container.

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            roelofs Greg Roelofs
            mahadev Mahadev Konar
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