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https://issues.apache.org/jira/browse/YARN-9472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16819765#comment-16819765
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zhuqi commented on YARN-9472:
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Hi, [~Tao Yang] .
Thanks for your reply.
Yes, i mean the final multi-thread asynchronous scheduling can be supported in
global scheduler base request-based. And the non-HB driven approach that
continuous scheduling has be removed because of the lock contention in large
scale (YARN-6486), the development of global scheduling for fair scheduler
should be a long time . If we can first add a RM service for scheduling
performance improvements only, but not consider all the complex resource
placement requirements, which can be coupled with some simple localilty
relaxation strategy?
> Add multi-thread asynchronous scheduling to fair scheduler
> ----------------------------------------------------------
>
> Key: YARN-9472
> URL: https://issues.apache.org/jira/browse/YARN-9472
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: fairscheduler, resourcemanager
> Reporter: zhuqi
> Priority: Major
>
> Now the capacity scheduler has multi-thread asynchronous scheduling, i think
> the fair scheduler also need to support it.
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