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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1433) Create a Delegation token for MapReduce
Date Wed, 10 Feb 2010 04:44:29 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Devaraj Das updated MAPREDUCE-1433:
-----------------------------------

    Attachment: 1433.bp20.patch

More up-to-date version of the backported patch. Not for commit.

> 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
>             Fix For: 0.22.0
>
>         Attachments: 1433.bp20.patch, 1433.bp20.patch, mr-1433.patch, mr-1433.patch,
mr-1433.patch, mr-1433.patch, 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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