Github user squito commented on the pull request:
https://github.com/apache/spark/pull/8180#issuecomment-137745960
Sorry Andrew, I certainly didn't mean to imply that I knew your opinion on
this particular patch -- as Sean said, I was just trying to point out the
general situation. My point is just that new features add complexity, and make
it harder to fix bugs; and we have plenty of complexity and bugs now. I don't
mean to block the patch, its a cool feature. I'm just nervous about any change
to the dag scheduler (eg., even my own proposal in
https://github.com/apache/spark/pull/8427, which is 30 lines + 100 lines of
tests, and most likely needs more testing still). Perhaps I err too much on
the side of caution, I'm just providing a counterpoint.
Thanks for adding the the additional tests, Matei. Btw, there is an
example test for skipped stages you should be able to copy more or less here:
https://github.com/apache/spark/pull/8402
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