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https://issues.apache.org/jira/browse/YARN-10738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17321926#comment-17321926
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Qi Zhu commented on YARN-10738:
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cc [~ztang] [~snemeth] [~pbacsko] [~gandras] [~ebadger] [~epayne]
What's your opinions about this?
I think it's very important for large clusters to prevent hot accessing node.
Thanks.
> When multi thread scheduling with multi node, we should shuffle to prevent
> hot accessing nodes.
> -----------------------------------------------------------------------------------------------
>
> Key: YARN-10738
> URL: https://issues.apache.org/jira/browse/YARN-10738
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Qi Zhu
> Assignee: Qi Zhu
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Now the multi threading scheduling with multi node is not reasonable.
> In large clusters, it will cause the hot accessing nodes, which will lead the
> abnormal boom node.
> Solution:
> I think we should shuffle the sorted node (such the available resource sort
> policy) with an interval.
> I will solve the above problem, and avoid the hot accessing node.
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