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https://issues.apache.org/jira/browse/YARN-8896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16655577#comment-16655577
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Wangda Tan commented on YARN-8896:
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+1, patch LGTM, thanks [~tangzhankun].
> Limit the maximum number of container assignments per heartbeat
> ---------------------------------------------------------------
>
> Key: YARN-8896
> URL: https://issues.apache.org/jira/browse/YARN-8896
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 2.9.0, 3.0.0
> Reporter: Weiwei Yang
> Assignee: Zhankun Tang
> Priority: Major
> Attachments: YARN-8896-trunk.001.patch
>
>
> YARN-4161 adds a configuration
> \{{yarn.scheduler.capacity.per-node-heartbeat.maximum-container-assignments}}
> to control max number of container assignments per heartbeat, however the
> default value is -1. This could potentially cause the CS gets stuck in the
> while loop causing issue like YARN-8513. We should change this to a finite
> number, e.g 100.
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