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