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  1. Hadoop Map/Reduce
  2. MAPREDUCE-2639 MR-279: Fixup the exponentially smoothed runtime estimator, fix a couple of bugs in DataStatistics, and do a little bit of cleanup.
  3. MAPREDUCE-2642

Fix two bugs in v2.app.speculate.DataStatistics

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Details

    • Sub-task
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • None
    • None
    • mrv2
    • None

    Description

      Fixes two bugs in DataStatistics: a divide by zero in the variance calculation when count == 0, and a synchronization issue in how the updateStatistics method was implemented.

      Attachments

        1. MAPREDUCE-2642.patch
          4 kB
          Josh Wills
        2. MR-2642-1.patch
          5 kB
          Josh Wills

        Activity

          People

            jwills Josh Wills
            jwills Josh Wills
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            Dates

              Created:
              Updated:
              Resolved: