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  1. Spark
  2. SPARK-30602 SPIP: Support push-based shuffle to improve shuffle efficiency
  3. SPARK-36530

Avoid finalizing when there's no push at all in a shuffle

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    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Won't Fix
    • 3.2.0, 3.3.0
    • None
    • Spark Core
    • None

    Description

      When all partition data of a map output is bigger than spark.shuffle.push.maxBlockSizeToPush, there will be no push. When all map outputs don't have push, the shuffle doesn't have push. In that case, we don't need to launch the finalizing request.

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          Sub-task - The sub-task of the issue SPARK-33701 Adaptive shuffle merge finalization for push-based shuffle

          • Major - Major loss of function.
          • Resolved

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              Unassigned Unassigned
              Ngone51 wuyi
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                Updated:
                Resolved: