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  1. Spark
  2. SPARK-2211 Join Optimization
  3. SPARK-2215

Multi-way join

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Details

    • Sub-task
    • Status: Closed
    • Minor
    • Resolution: Later
    • None
    • None
    • SQL
    • None

    Description

      Support the multi-way join (multiple table joins) in a single reduce stage if they have the same join keys.

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          duplicates

          Sub-task - The sub-task of the issue SPARK-3862 MultiWayBroadcastInnerHashJoin

          • Major - Major loss of function.
          • Closed
          is related to

          Bug - A problem which impairs or prevents the functions of the product. SPARK-2205 Unnecessary exchange operators in a join on multiple tables with the same join key.

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved

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              Unassigned Unassigned
              chenghao Cheng Hao
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              Dates

                Created:
                Updated:
                Resolved: