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  1. Hive
  2. HIVE-8274 Refactoring SparkPlan and SparkPlanGeneration [Spark Branch]
  3. HIVE-8276

Separate shuffle from ReduceTran and so create ShuffleTran [Spark Branch]

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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.1.0
    • Component/s: Spark
    • Labels:
      None

      Description

      Currently ShuffleTran captures both shuffle and reduce side processing. Per HIVE-8118, sometimes the output RDD from shuffle needs to be cached for better performance. Thus, it makes sense to separate shuffle from Reduce and create ShuffleTran class.

        Attachments

        1. HIVE-8276.4-spark.patch
          10 kB
          Chao Sun
        2. HIVE-8276.3-spark.patch
          9 kB
          Chao Sun
        3. HIVE-8276.2-spark.patch
          10 kB
          Chao Sun
        4. HIVE-8276.1-spark.patch
          9 kB
          Chao Sun

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              • Assignee:
                csun Chao Sun
                Reporter:
                xuefuz Xuefu Zhang
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                • Created:
                  Updated:
                  Resolved: