Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/126#discussion_r10550660
--- Diff: core/src/main/scala/org/apache/spark/rdd/RDD.scala ---
@@ -1025,6 +1025,14 @@ abstract class RDD[T: ClassTag](
checkpointData.flatMap(_.getCheckpointFile)
}
+ def cleanup() {
--- End diff --
Good point. Actually I am wondering whether we should even expose this to
the public interface, given that RDD.unpersist() exists (which has a field for
deciding whether to block or not). However, the difference between
RDD.unpersist() and this RDD.cleanup() is that the former will only unpersist
the RDD, but the latter will unpersist and cleanup shuffle data if this RDD had
shuffle dependencies.
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