WeichenXu123 commented on code in PR #40097:
URL: https://github.com/apache/spark/pull/40097#discussion_r1113907648
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mllib/src/main/scala/org/apache/spark/ml/tuning/TrainValidationSplit.scala:
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@@ -126,7 +126,13 @@ class TrainValidationSplit @Since("1.5.0")
(@Since("1.5.0") override val uid: St
val epm = $(estimatorParamMaps)
// Create execution context based on $(parallelism)
- val executionContext = getExecutionContext
+ val executionContext = getParallelism match {
Review Comment:
dittor
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