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From "Eric Wohlstadter (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TEZ-4024) DAGAppMaster should access resources in UGI context on startup
Date Thu, 29 Nov 2018 19:53:00 GMT
Eric Wohlstadter created TEZ-4024:
-------------------------------------

             Summary: DAGAppMaster should access resources in UGI context on startup
                 Key: TEZ-4024
                 URL: https://issues.apache.org/jira/browse/TEZ-4024
             Project: Apache Tez
          Issue Type: Bug
    Affects Versions: 0.9.1
            Reporter: Eric Wohlstadter
            Assignee: Eric Wohlstadter


On startup, DAGAppMaster accesses resources such as config PBs and staging dirs as yarn rather
than through the UGI context.

This creates access control violations when yarn does not have permissions for those resources.

This also seems odd, since during shutdown, DAGAppMaster does access resources through UGI. 



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