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Posted to mapreduce-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2013/09/11 20:30:54 UTC

[jira] [Updated] (MAPREDUCE-5332) Support token-preserving restart of history server

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Lowe updated MAPREDUCE-5332:
----------------------------------

    Attachment: MAPREDUCE-5332-4.patch

Updated patch to address Daryn's comments.  Summary of changes:

* Prefixes prefixed
* getBucketPath div-to-mod fix
* state stores renamed to state store services
                
> Support token-preserving restart of history server
> --------------------------------------------------
>
>                 Key: MAPREDUCE-5332
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5332
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: jobhistoryserver
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: MAPREDUCE-5332-2.patch, MAPREDUCE-5332-3.patch, MAPREDUCE-5332-4.patch, MAPREDUCE-5332.patch
>
>
> To better support rolling upgrades through a cluster, the history server needs the ability to restart without losing track of delegation tokens.

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