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Posted to hdfs-issues@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2010/04/06 03:20:32 UTC

[jira] Commented: (HDFS-949) Move Delegation token into Common so that we can use it for MapReduce also

    [ https://issues.apache.org/jira/browse/HDFS-949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12853675#action_12853675 ] 

Hudson commented on HDFS-949:
-----------------------------

Integrated in Hdfs-Patch-h2.grid.sp2.yahoo.net #146 (See [http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h2.grid.sp2.yahoo.net/146/])
    

> Move Delegation token into Common so that we can use it for MapReduce also
> --------------------------------------------------------------------------
>
>                 Key: HDFS-949
>                 URL: https://issues.apache.org/jira/browse/HDFS-949
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: security
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>             Fix For: 0.22.0
>
>         Attachments: 6547-949-1470-0_20.1.patch, h-949-common.patch, h-949-common.patch, h-949.patch, h-949.patch, h-949.patch
>
>
> We need to support a MapReduce job that launches another MapReduce job inside its Mapper. Since the task doesn't have any Kerberos tickets, we need a delegation token. Moving the HDFS Delegation token to Common will allow both projects to use it.

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