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https://issues.apache.org/jira/browse/YARN-3139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wangda Tan updated YARN-3139:
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Attachment: YARN-3139.4.patch
Thanks [~asuresh], updated ver.4 patch, only removed unused imports.
There're too many similar checkstyle warnings in scheduler, I would prefer to
keep them as-is. Adding suppress warning statement maybe not good for
readability to me. As they're all trivial warnings too me.
> Improve locks in AbstractYarnScheduler/CapacityScheduler/FairScheduler
> ----------------------------------------------------------------------
>
> Key: YARN-3139
> URL: https://issues.apache.org/jira/browse/YARN-3139
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager, scheduler
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Attachments: YARN-3139.0.patch, YARN-3139.1.patch, YARN-3139.2.patch,
> YARN-3139.3.patch, YARN-3139.4.patch
>
>
> Enhance locks in AbstractYarnScheduler/CapacityScheduler/FairScheduler, as
> mentioned in YARN-3091, a possible solution is using read/write lock. Other
> fine-graind locks for specific purposes / bugs should be addressed in
> separated tickets.
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