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  1. Hadoop Map/Reduce
  2. MAPREDUCE-7252

Handling 0 progress in SimpleExponential task runtime estimator

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.3.0, 3.1.4, 3.2.2, 2.10.1
    • Component/s: None
    • Labels:
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      Description

      The simple exponential runtime estimator (added in MAPREDUCE-7208) seems not to handle the corner cases where the delta progress is 0. As a result, the forecast will be NaN or Inf which messes up the subsequent forecast values.

        Attachments

        1. MAPREDUCE-7252.001.patch
          28 kB
          Ahmed Hussein
        2. MAPREDUCE-7252.002.patch
          30 kB
          Ahmed Hussein
        3. MAPREDUCE-7252.003.patch
          30 kB
          Ahmed Hussein
        4. MAPREDUCE-7252-branch-2.10.003.patch
          30 kB
          Ahmed Hussein

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              • Assignee:
                ahussein Ahmed Hussein
                Reporter:
                ahussein Ahmed Hussein
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                Dates

                • Created:
                  Updated:
                  Resolved: