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https://issues.apache.org/jira/browse/MAPREDUCE-1824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13072480#comment-13072480
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Daryn Sharp commented on MAPREDUCE-1824:
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The basic approach I'm taking is that delegation tokens will not have a service
of "ip:port". Instead the service field will be the uri of the issuing DFS.
The JT's HDFS token renewal will no longer "guess" the uri of the DFS, because
it will be contained in the token's service.
Minor modification of the token selectors is needed to allow the RPC layer to
continue to use the socket to match against the authority of the uri in the
service field.
> 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
> Fix For: 0.20.205.0, 0.23.0
>
> Attachments: MR-1824.1.patch
>
>
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