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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2015/05/06 05:26:17 UTC

[jira] [Updated] (MAPREDUCE-5819) Binary token merge should be done once in TokenCache#obtainTokensForNamenodesInternal()

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer updated MAPREDUCE-5819:
----------------------------------------
    Labels: BB2015-05-TBR  (was: )

> Binary token merge should be done once in TokenCache#obtainTokensForNamenodesInternal()
> ---------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5819
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5819
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: security
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>              Labels: BB2015-05-TBR
>         Attachments: mapreduce-5819-v1.txt
>
>
> Currently mergeBinaryTokens() is called by every invocation of obtainTokensForNamenodesInternal(FileSystem, Credentials, Configuration) in the loop of obtainTokensForNamenodesInternal(Credentials, Path[], Configuration).
> This can be simplified so that mergeBinaryTokens() is called only once in obtainTokensForNamenodesInternal(Credentials, Path[], Configuration).



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