Github user kayousterhout commented on the pull request:
https://github.com/apache/spark/pull/8760#issuecomment-160728616
@davies thanks -- part of what I was wondering is whether the existing
blacklist mechanism is good enough, since many of the potential issues
mentioned seem like things that would cause tasks to quickly fail, so I'm
wondering how big the performance penalty is of making each task set learn on
its own that a particular executor is bad. Curious to hear others weigh in here
about whether this is a problem they're experiencing (@squito have you seen
this issue in production?).
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