Github user tgravescs commented on the pull request:
https://github.com/apache/spark/pull/4688#issuecomment-76294720
ah ok, sorry no I did not look at the code. Thanks for the explanation.
So yes as long as all the permissions are setup properly anything copied to
staging and then localized should be secure. Its more of a risk aspect then.
If you have secure storm cluster but not using ssl someone could sniff it. or
if there is a bug with permissions then someone could get it and the keytab
lasts forever, vs just getting a single token and it lasts a limited time.
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