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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/10/21 08:05:59 UTC

[GitHub] [spark] LuciferYang commented on pull request #37876: [SPARK-40175][CORE][SQL][MLLIB][DSTREAM][R] Optimize the performance of `keys.zip(values).toMap` code pattern

LuciferYang commented on PR #37876:
URL: https://github.com/apache/spark/pull/37876#issuecomment-1286611969

   @caican00 For the performance gap between `mutable.Map` and `immutable.Map`, I think it is better to turn to the Scala community
   


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