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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2015/03/10 00:17:40 UTC

[jira] [Resolved] (MAPREDUCE-1824) JobTracker should reuse file system handle for delegation token renewal

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved MAPREDUCE-1824.
-----------------------------------------
    Resolution: Later

given the comments, closing as stale/fixed/whatevered.  

> JobTracker should reuse file system handle for delegation token renewal
> -----------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1824
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1824
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Jitendra Nath Pandey
>            Assignee: Daryn Sharp
>         Attachments: MR-1824.1.patch
>
>
> In trunk, the DelegationTokenRenewal obtains the file system handle by creating the uri out of service in the token, which is ip:port. The intention of this jira is to use host name of the namenode so that fils system handle in the cache on jobtracker could be re-used. This jira is created because such an optimization is there in 20 code and the patch attached is the direct port of the code in 20.



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