Github user markhamstra commented on a diff in the pull request:
https://github.com/apache/spark/pull/126#discussion_r10680798
--- 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 --
Wait, why is the shuffle dependency to rdd2 not shared with rddB?
In a simpler and even more extreme case, won't this result in problems for
rdd2?
```scala
var rdd2 = rdd1
...
rdd1.cleanup()
```
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