Github user tgravescs commented on the pull request:
https://github.com/apache/spark/pull/257#issuecomment-38818996
@NathanHowell Just to clarify, you are passing in an actual token file
(via sc.addFile) specific for a particular job and setting
HADOOP_TOKEN_FILE_LOCATION to point to the local token file, so it needs to
first fetch that token file on the executor before doing the runAsUser?
It seems people have many different setups for security, do you know if
this method is documented anywhere in spark?
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