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Posted to mapreduce-issues@hadoop.apache.org by "Robert Joseph Evans (JIRA)" <ji...@apache.org> on 2013/07/10 16:57:50 UTC

[jira] [Commented] (MAPREDUCE-5379) Include FS delegation token ID in job conf

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13704630#comment-13704630 ] 

Robert Joseph Evans commented on MAPREDUCE-5379:
------------------------------------------------

I am not sure how to actually do this.  On some systems there may be multiple File Systems and hence there may be multiple delegation tokens.  Think ViewFS with federation.
                
> Include FS delegation token ID in job conf
> ------------------------------------------
>
>                 Key: MAPREDUCE-5379
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5379
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: job submission, security
>    Affects Versions: 2.1.0-beta
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>
> Making a job's FS delegation token ID accessible will allow external services to associate it with the file system operations it performs.

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