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Posted to mapreduce-dev@hadoop.apache.org by "Daryn Sharp (Created) (JIRA)" <ji...@apache.org> on 2012/02/10 20:13:01 UTC

[jira] [Created] (MAPREDUCE-3850) Avoid redundant calls for tokens in TokenCache

Avoid redundant calls for tokens in TokenCache
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                 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


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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