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  1. Spark
  2. SPARK-32461 Shuffled hash join improvement
  3. SPARK-38354

Add hash probes metrics for shuffled hash join

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    • Sub-task
    • Status: In Progress
    • Trivial
    • Resolution: Unresolved
    • 3.3.0
    • None
    • SQL
    • None

    Description

      For `HashAggregate` there's a SQL metrics to track number of hash probes per looked-up key. It would be better to add a similar metrics for shuffled hash join as well, to get some idea of hash probing performance.

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            Unassigned Unassigned
            chengsu Cheng Su
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              Created:
              Updated: