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  1. Spark
  2. SPARK-31412 New Adaptive Query Execution in Spark SQL
  3. SPARK-28560

Optimize shuffle reader to local shuffle reader when smj converted to bhj in adaptive execution

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 3.0.0
    • 3.0.0
    • SQL
    • None

    Description

      Implement a rule in the new adaptive execution framework introduced in SPARK-23128. This rule is used to optimize the shuffle reader to local shuffle reader when smj is converted to bhj in adaptive execution.

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            Jk_Self Ke Jia
            Jk_Self Ke Jia
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