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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8896) Limit the maximum number of container assignments per heartbeat
Date Thu, 18 Oct 2018 19:31:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16655790#comment-16655790
] 

Wangda Tan commented on YARN-8896:
----------------------------------

Committed to trunk/branch-3.1/branch-3.2.

> 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
>             Fix For: 3.1.2, 3.2.1
>
>         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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