Github user mateiz commented on the pull request:
https://github.com/apache/spark/pull/86#issuecomment-36828505
Hey Sandy, the overall approach looks good, though I made some comments
throughout. It would be really nice to avoid launching a second JVM if
possible. It seems that the main reasons are to set environment vars or to pass
arguments to the YARN launcher, but we can call the YARN launcher directly.
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