Github user markhamstra commented on the pull request:
https://github.com/apache/spark/pull/1909#issuecomment-51965072
Erik, you've been doing some great work on making non-lazy transforms lazy!
I haven't had time to thoroughly review your recent PRs, but can you do some
checks and probably add some tests to make sure that all of your recent efforts
also work correctly not only for synchronous actions on RDDs (collect, count,
et al), but also the async actions in AsyncRDDActions.scala? It looked to me
like at least the RangePartitioner work, while better than what is in Spark
now, still had some troubles in async actions (essentially, the production of
the rangeBounds doesn't get captured within the FutureAction, so it isn't
cancellable, etc.)
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