Github user rxin commented on the pull request:
https://github.com/apache/spark/pull/44#issuecomment-36449005
Hi guys,
I think it is better to make sure Spark doesn't hang when an incorrect
partition index is given, because there will be other code paths to run a job.
Given the two places @CodingCat found, I think it shouldn't be too hard to fix
those. @witgo do you mind doing that instead?
One thing for sure is we shouldn't add a check per key -- that can be too
expensive.
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