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  1. Hadoop Map/Reduce
  2. MAPREDUCE-4399

Fix performance regression in shuffle

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.20.203.0, 1.0.3
    • 1.0.4
    • performance, tasktracker
    • None
    • Reviewed

    Description

      There is a significant (up to 3x) performance regression in shuffle (vs 0.20.2) in the Hadoop 1.x series. Most noticeable with high-end switches.

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            vicaya Luke Lu
            vicaya Luke Lu
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              Created:
              Updated:
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