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https://issues.apache.org/jira/browse/HDFS-15094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena updated HDFS-15094:
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Comment: was deleted
(was: | (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 7s{color}
| {color:red} HDFS-15094 does not apply to trunk. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-15094 |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/28615/console |
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This message was automatically generated.
)
> 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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