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https://issues.apache.org/jira/browse/YARN-3141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15497307#comment-15497307
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Daniel Templeton commented on YARN-3141:
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bq. Are you OK with doing such detailed improvements as a separate task? Let's
try to make this patch simply convert synchronized lock to R/W lock.
Sure. Converting over to the R/W lock is certainly no worse than what was
there before.
I'm OK with the last version of this patch after you clear up the checkstyle
issues.
> Improve locks in SchedulerApplicationAttempt/FSAppAttempt/FiCaSchedulerApp
> --------------------------------------------------------------------------
>
> Key: YARN-3141
> URL: https://issues.apache.org/jira/browse/YARN-3141
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager, scheduler
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Attachments: YARN-3141.1.patch, YARN-3141.2.patch, YARN-3141.3.patch,
> YARN-3141.4.patch, YARN-3141.5.patch
>
>
> Enhance locks in SchedulerApplicationAttempt/FSAppAttempt/FiCaSchedulerApp,
> 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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