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Posted to reviews@spark.apache.org by JoshRosen <gi...@git.apache.org> on 2014/12/24 00:43:25 UTC

[GitHub] spark pull request: [Spark 2387][Core]Remove Stage's barrier

Github user JoshRosen commented on the pull request:

    https://github.com/apache/spark/pull/3430#issuecomment-68011324
  
    This seems like a complicated change for only a 10% performance improvement, especially when there's probably lower-hanging fruit that's easier / safer to optimize.


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