Github user tgravescs commented on the pull request:
https://github.com/apache/spark/pull/10475#issuecomment-185238025
Since the call to the executorUpdaterRunnable.run() is after we checked to
see if new credentials were there I think this is ok to do. We just tried to
update and they didn't so waiting 1 minute seems reasonable.
Ideally we probably have some sort of number of retry logic in there where
after a certain period we would just give up and kill the executor but since
the case we've seen is shutdown I think its ok to just do this for now.
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