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From "Sergiy Matusevych (JIRA)" <j...@apache.org>
Subject [jira] [Created] (REEF-1776) Use YARN proxy user to register REEF Driver in Unmanaged AM mode
Date Thu, 13 Apr 2017 21:16:41 GMT
Sergiy Matusevych created REEF-1776:
---------------------------------------

             Summary: Use YARN proxy user to register REEF Driver in Unmanaged AM mode
                 Key: REEF-1776
                 URL: https://issues.apache.org/jira/browse/REEF-1776
             Project: REEF
          Issue Type: Bug
          Components: REEF Client, REEF Driver, REEF-Runtime-YARN
            Reporter: Sergiy Matusevych
            Assignee: Sergiy Matusevych


When launching REEF application in Unmanaged AM mode from another YARN application, two Drivers
access the same global object {{UserGroupInformation}} from YARN API. That issue prevents
us from running REEF applications on YARN in REEF-on-REEF or REEF-on-Spark settings. We have
to implement a mechanism to create proxy YARN users and register Unmanaged AM Drivers in that
proxy user context and update the API so that REEF client can pass the user credentials into
the driver setup.



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