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From harishreedharan <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-13478] [yarn] Use real user when fetchi...
Date Thu, 25 Feb 2016 05:31:55 GMT
Github user harishreedharan commented on the pull request:

    https://github.com/apache/spark/pull/11358#issuecomment-188621725
  
    This looks like it might affect HDFS tokens as well and error that looks like this might
come up during the initial token renewal:
    ```
    WARN UserGroupInformation: PriviledgedActionException as:hari (auth:PROXY) via hdfs@EXAMPLE
(auth:KERBEROS) cause:org.apache.hadoop.security.AccessControlException: hari tries to renew
a token with renewer hdfs
    ```
    
    In addition to the code that gets the new tokens, I think the [`getTokenRenewalInterval`](https://github.com/apache/spark/blob/master/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala#L580)
method also needs to be be run as the real user. 


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