Hadoop Common
  1. Hadoop Common
  2. HADOOP-5210

Reduce Task Progress shows > 100% when the total size of map outputs (for a single reducer) is high

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Minor Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.20.1
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed
    • Release Note:
      This patch resets the variable totalBytesProcessed before the final merge sothat it will be used for calculating the progress of reducePhase(the 3rd phase of reduce task) correctly.

      Description

      When the total map outputs size (reduce input size) is high, the reported progress is greater than 100%.

      1. HADOOP-5210.patch
        0.6 kB
        Ravi Gummadi
      2. HADOOP-5210.v2.1.patch
        1 kB
        Ravi Gummadi
      3. HADOOP-5210.v2.patch
        0.7 kB
        Ravi Gummadi
      4. HADOOP-5210.v3.patch
        2 kB
        Ravi Gummadi
      5. Picture 3.png
        27 kB
        Jothi Padmanabhan

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            • Assignee:
              Ravi Gummadi
              Reporter:
              Jothi Padmanabhan
            • Votes:
              1 Vote for this issue
              Watchers:
              4 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

                Development