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  1. Hadoop Common
  2. HADOOP-5519

Remove claims from mapred-default.xml that prime numbers of tasks are helpful.

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.20.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      There is no value in using prime numbers for numbers of tasks. In fact, most jobs don't even need the number of maps set, since it will increase to the number of blocks.

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            • Assignee:
              owen.omalley Owen O'Malley
              Reporter:
              owen.omalley Owen O'Malley
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              • Created:
                Updated:
                Resolved: