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https://issues.apache.org/jira/browse/MAPREDUCE-3850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Joseph Evans updated MAPREDUCE-3850:
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Resolution: Fixed
Fix Version/s: 3.0.0
2.0.0
0.23.3
Target Version/s: 0.23.3, 2.0.0, 3.0.0 (was: 3.0.0, 2.0.0, 0.23.3)
Status: Resolved (was: Patch Available)
Thanks Daryn,
+1 for the change. Sorry it took so long to review this. I put it into trunk,
branch-2, and branch-0.23
> Avoid redundant calls for tokens in TokenCache
> ----------------------------------------------
>
> Key: MAPREDUCE-3850
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3850
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: security
> Affects Versions: 0.23.1, 0.24.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Fix For: 0.23.3, 2.0.0, 3.0.0
>
> Attachments: MAPREDUCE-3850-1.patch, MAPREDUCE-3850.patch,
> MAPREDUCE-3850.patch
>
>
> The {{TokenCache}} will repeatedly call the same filesystem for tokens. This
> is inefficient and can easily be changed to only call each filesystem once.
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