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https://issues.apache.org/jira/browse/YARN-6487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16780528#comment-16780528
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Zhaohui Xin commented on YARN-6487:
-----------------------------------

Hi [~wilfreds]. Please correct me if I am wrong. When a large number of node 
heartbeats trigger scheduling, the continuous scheduling thread will be starved 
because lock conflict.

> FairScheduler: remove continuous scheduling (YARN-1010)
> -------------------------------------------------------
>
>                 Key: YARN-6487
>                 URL: https://issues.apache.org/jira/browse/YARN-6487
>             Project: Hadoop YARN
>          Issue Type: Task
>          Components: fairscheduler
>    Affects Versions: 2.7.0
>            Reporter: Wilfred Spiegelenburg
>            Assignee: Wilfred Spiegelenburg
>            Priority: Major
>
> Remove deprecated FairScheduler continuous scheduler code



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