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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/02/04 08:01:44 UTC

[GitHub] [spark] zhengruifeng commented on pull request #31468: [SPARK-34353][SQL] CollectLimitExec avoid shuffle if input rdd has single partition

zhengruifeng commented on pull request #31468:
URL: https://github.com/apache/spark/pull/31468#issuecomment-773112265


   > We may have more operators that adding shuffle in the doExecute method instead of the planner
   
   @cloud-fan shuffle only is directly added in the `doExecute` method of `TakeOrderedAndProjectExec`, `CollectLimitExec` and `ShuffleExchangeExec`


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