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  1. Spark
  2. SPARK-36389

Revert the change that accepts negative mapId in ShuffleBlockId

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Details

    • Bug
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • 3.2.0
    • 3.2.0, 3.3.0
    • Shuffle
    • None

    Description

      With SPARK-32922, we added a change that ShuffleBlockId can have a negative mapId. This was to support push-based shuffle where -1 as mapId indicated a push-merged block. However with SPARK-32923, a different type of BlockId was introduced - ShuffleMergedId, but reverting the change to ShuffleBlockId was missed.

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          is related to

          Improvement - An improvement or enhancement to an existing feature or task. SPARK-30602 SPIP: Support push-based shuffle to improve shuffle efficiency

          • Major - Major loss of function.
          • Resolved
          links to

          Pull request #33616 [Github] Pull Request #33616 (otterc)

          Pull request #33616 [Github] Pull Request #33616 (otterc)

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              csingh Chandni Singh
              csingh Chandni Singh
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              Dates

                Created:
                Updated:
                Resolved: