Github user pwendell commented on the pull request:
https://github.com/apache/spark/pull/1107#issuecomment-50705661
@ash211 made some small comments but overall looks good. One thing - have
you tested this on a cluster? I want to make sure we cover every possible
connection here (I wonder if there are some we might have missed). I think the
only real way to do it is to totally lock down a cluster and see if Spark can
run.
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