Github user tgravescs commented on the issue:
https://github.com/apache/spark/pull/17113
I was not talking about designing this around the killing task part of
this, other then in reference to being able to count the # of fetch failures
before triggering the blacklisting, but I think that would have to be handled
across stages right now. My main concern with this pr is invalidating the
shuffle outputs. I do also believe that fetch failures could be handled better
but that is more being discussed in https://github.com/apache/spark/pull/17088.
I do also agree with you that the task killing part should be fixed.
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