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https://issues.apache.org/jira/browse/HDFS-15094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17011375#comment-17011375
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Ayush Saxena commented on HDFS-15094:
-------------------------------------
Committed to trunk.
Thanx [~elgoiri] for the review!!!
> RBF: Reuse ugi string in ConnectionPoolID
> -----------------------------------------
>
> Key: HDFS-15094
> URL: https://issues.apache.org/jira/browse/HDFS-15094
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Attachments: HDFS-15094-01.patch, HDFS-15094-02.patch,
> UGI_AFTER-01.PNG, UGI_BEFORE-01.PNG
>
>
> The connectionPoolID Hash Code and equals contains ugi.toString(), These
> methods are used as part of getConnection() in ConnectionManager as part of
> every call.
> The ugi.toString() eats up considerable amount of time, the Hash Calculation
> itself is ~10 percent of the total time of the call. And even more for the
> equals method.
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