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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4921) JobClient should acquire HS token with RM principal
Date Mon, 07 Jan 2013 20:06:12 GMT
Daryn Sharp created MAPREDUCE-4921:

             Summary: JobClient should acquire HS token with RM principal
                 Key: MAPREDUCE-4921
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4921
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: client
    Affects Versions: 3.0.0, 2.0.3-alpha, 0.23.6
            Reporter: Daryn Sharp
            Assignee: Daryn Sharp
            Priority: Blocker

The job client may acquire a history server token during job submission.  The renewer is specified
in a config value that the user must supply (for new api, a bit different for old api).  If
this value is not the RM's principal, then the RM cannot renew the token and long running
jobs will fail.  Since the token is implicitly acquired for the job, the HS token's renewer
should always be the RM's principal.

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