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  1. Hadoop Common
  2. HADOOP-5210

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

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Details

    • Bug
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • None
    • 0.20.1
    • None
    • None
    • Reviewed
    • 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%.

      Attachments

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

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              ravidotg Ravi Gummadi
              jothipn Jothi Padmanabhan
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                Created:
                Updated:
                Resolved: