Github user JoshRosen commented on the pull request:
https://github.com/apache/spark/pull/3794#issuecomment-70548146
Good catch on the error-handling logic.
> I directly use getParentStages which will call RDD's getPartitions before
sending JobSubmitted event.
Does this really call `.partitions`? It looks like `getParentStages` just
looks at RDDs' dependencies. I was suggesting something more like using
`getParentStages` to get the list of RDDs, then explicitly doing
`_.foreach(_.partitions)` on that list.
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