Github user vanzin commented on the pull request:
https://github.com/apache/spark/pull/2320#issuecomment-55622273
>... a path where the addFile HTTP server is authenticated ...
But that's just authentication, right? Or is it actually encrypting the
bytes being transferred after the authentication happens?
(So, my main reluctance here is that to get the keytab or the delegation
tokens to the right places, that either needs to be done over an unencrypted
channel, or using the filesystem, which is sub-optimal in standalone mode since
everything runs as the same user.)
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