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https://issues.apache.org/jira/browse/YARN-4630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15163046#comment-15163046
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Tsuyoshi Ozawa commented on YARN-4630:
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Hey Akira, can I check this since it seems to include the changes
againstContainerId? It has an impact against RM-HA.
> Remove useless boxing/unboxing code (Hadoop YARN)
> -------------------------------------------------
>
> Key: YARN-4630
> URL: https://issues.apache.org/jira/browse/YARN-4630
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: yarn
> Affects Versions: 3.0.0
> Reporter: Kousuke Saruta
> Priority: Minor
> Attachments: YARN-4630.0.patch
>
>
> There are lots of places where useless boxing/unboxing occur.
> To avoid performance issue, let's remove them.
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