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Posted to mapreduce-issues@hadoop.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2017/12/13 16:25:00 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=16289470#comment-16289470 ]
Ted Yu commented on MAPREDUCE-5819:
-----------------------------------
Can I get some review ?
> 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 such that mergeBinaryTokens() is called only once in obtainTokensForNamenodesInternal(Credentials, Path[], Configuration).
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