[GitHub] spark pull request #18281: [SPARK-21027][ML][PYTHON] Added tunable paralleli...

[BryanCutler <gi...@git.apache.org>]

Github user BryanCutler commented on a diff in the pull request:

    https://github.com/apache/spark/pull/18281#discussion_r125372204
  
    --- Diff: mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala ---
    @@ -325,8 +328,10 @@ final class OneVsRest @Since("1.4.0") (
           multiclassLabeled.persist(StorageLevel.MEMORY_AND_DISK)
         }
     
    +    val executionContext = getExecutionContext
    +
    --- End diff --
    
    might be good to log a message here indicating the parallelism used


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