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Posted to mapreduce-issues@hadoop.apache.org by "Boris Shkolnik (JIRA)" <ji...@apache.org> on 2011/04/05 08:04:05 UTC

[jira] [Updated] (MAPREDUCE-2420) JobTracker should be able to renew delegation token over HTTP

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boris Shkolnik updated MAPREDUCE-2420:
--------------------------------------

    Attachment: MR-2420.patch

> JobTracker should be able to renew delegation token over HTTP
> -------------------------------------------------------------
>
>                 Key: MAPREDUCE-2420
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2420
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.4
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>         Attachments: MR-2420.patch
>
>
> in case JobTracker has to talk to a NameNode running a different version (RPC version mismatch), Jobtracker should be able to fall back to HTTP renewal.
> Example of the case - running distcp between different versions using hfpt.

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