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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/09/24 04:58:33 UTC

[GitHub] [spark] MLnick commented on pull request #29850: [SPARK-32974][ML] FeatureHasher transform optimization

MLnick commented on pull request #29850:
URL: https://github.com/apache/spark/pull/29850#issuecomment-698112434


   Scala 2.13 build seems to be failing? Why is that?
   
   @zhengruifeng overall seems fine - what is the performance speedup that we get from this optimization? Is it significant?


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