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Posted to mapreduce-issues@hadoop.apache.org by "Devaraj Das (JIRA)" <ji...@apache.org> on 2010/02/09 10:01:29 UTC

[jira] Commented: (MAPREDUCE-1433) Create a Delegation token for MapReduce

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12831366#action_12831366 ] 

Devaraj Das commented on MAPREDUCE-1433:
----------------------------------------

Looks good. You need to fix JobTracker.renewDelegationToken to actually do the renewal (there is a copy-paste error there *smile*)

> Create a Delegation token for MapReduce
> ---------------------------------------
>
>                 Key: MAPREDUCE-1433
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1433
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: security
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>         Attachments: mr-1433.patch
>
>
> Occasionally, MapReduce jobs need to launch other MapReduce jobs. With security enabled, the task needs to authenticate to the JobTracker as the user with a token.

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