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  1. Spark
  2. SPARK-4584

2x Performance regression for Spark-on-YARN

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 1.2.0
    • Fix Version/s: 1.2.0
    • Component/s: YARN
    • Labels:
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    • Target Version/s:

      Description

      Significant performance regression observed for Spark-on-YARN (upto 2x) after 1.2 rebase. The offending commit is: 70e824f750aa8ed446eec104ba158b0503ba58a9 from Oct 7th. Problem can be reproduced with JavaWordCount against a large enough input dataset in YARN cluster mode.

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            • Assignee:
              vanzin Marcelo Masiero Vanzin
              Reporter:
              nravi Nishkam Ravi
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              • Created:
                Updated:
                Resolved: