Github user markhamstra commented on the pull request:
https://github.com/apache/spark/pull/186#issuecomment-38171847
@CodingCat, thanks for engaging this issue. It is a tricky one, but also
one where we definitely need to something better than the currently released
code.
Trying to restart the stage that caused the restart is not a good idea,
since it is very likely to fail again and never complete successfully. The
question is whether we can cleanup after that failure by less drastic measures
than canceling all of the running jobs. Later today, I'll try to look at
whether there are any other viable options.
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