Uploaded image for project: 'Spark'
  1. Spark
  2. SPARK-31412 New Adaptive Query Execution in Spark SQL
  3. SPARK-29544

Optimize skewed join at runtime with new Adaptive Execution

    XMLWordPrintableJSON

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 handle the skew join optimization based on the runtime statistics (data size and row count).

      Attachments

        Activity

          People

            Jk_Self Ke Jia
            Jk_Self Ke Jia
            Votes:
            0 Vote for this issue
            Watchers:
            10 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: