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  1. Spark
  2. SPARK-13977

Bring back ShuffledHashJoin

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Details

    • Task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 2.0.0
    • SQL
    • None

    Description

      ShuffledHashJoin is still useful when:

      1) any partition of the build side could fit in memory

      2) the build side is much smaller than stream side, the building hash table on smaller side should be faster than sorting the bigger side.

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            davies Davies Liu
            davies Davies Liu
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              Updated:
              Resolved:

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