Github user jodersky commented on the pull request:
https://github.com/apache/spark/pull/8216#issuecomment-212604610
Should signal handling really be implemented in a JobWaiter? I'm afraid
that implementing it there could have unwanted consequences for non-shell
operation: Imagine implementing a custom program that uses a spark context, in
that case it should terminate on reveption of SIGINT by default, regardless of
current job execution.
IMO signal handling is best implemented on the shell level. Any thoughts?
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