[GitHub] incubator-spark pull request: SPARK-1051. Executors should doAs su...

[sryza]

Github user sryza commented on the pull request:

    https://github.com/apache/incubator-spark/pull/538#issuecomment-34683445
  
    Updated the patch to work with yarn-standalone mode as well.  Does a doAs 
in the application master when running the user class.