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  1. Hadoop Map/Reduce
  2. MAPREDUCE-2405

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

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.23.0
    • Component/s: mrv2
    • Labels:
      None
    • Release Note:
      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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              • Assignee:
                roelofs Greg Roelofs
                Reporter:
                mahadev Mahadev konar
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                  Updated:
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