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  1. Spark
  2. SPARK-3280

Made sort-based shuffle the default implementation

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.2.0
    • Component/s: Shuffle, Spark Core
    • Labels:
      None
    • Target Version/s:

      Description

      sort-based shuffle has lower memory usage and seems to outperform hash-based in almost all of our testing.

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              • Assignee:
                rxin Reynold Xin
                Reporter:
                rxin Reynold Xin
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                • Created:
                  Updated:
                  Resolved: