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  1. Spark
  2. SPARK-16026 Cost-based Optimizer Framework
  3. SPARK-17079

broadcast decision based on cbo

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Implemented
    • 2.0.0
    • None
    • Optimizer, SQL
    • None

    Description

      We decide if broadcast join should be used based on the cardinality and size of join input side rather than the initial size of the join base relation.

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            Unassigned Unassigned Assign to me
            ron8hu Ron Hu
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