Github user ueshin commented on a diff in the pull request: https://github.com/apache/spark/pull/19805#discussion_r153693403 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala --- @@ -518,13 +518,12 @@ class Dataset[T] private[sql]( * the logical plan of this Dataset, which is especially useful in iterative algorithms where the * plan may grow exponentially. It will be saved to files inside the checkpoint * directory set with `SparkContext#setCheckpointDir`. - * --- End diff -- Maybe we should revert this back?
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