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From "Manikandan R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5179) Issue of CPU usage of containers
Date Tue, 14 Feb 2017 17:21:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-5179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15866165#comment-15866165
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Manikandan R commented on YARN-5179:
------------------------------------

[~asuresh]

While trying to reproduce this issue, seeing some values for milliVcoresUsed variable in recordUsage()
method of ContainersMonitorImpl.java class. Also, I am seeing major code changes as part of
https://issues.apache.org/jira/browse/YARN-4597. Hence, thought of confirming with you on
this jira. Is this still valid?

Kindly let me know on how to proceed with this.

> Issue of CPU usage of containers
> --------------------------------
>
>                 Key: YARN-5179
>                 URL: https://issues.apache.org/jira/browse/YARN-5179
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.7.0
>         Environment: Both on Windows and Linux
>            Reporter: Zhongkai Mi
>
> // Multiply by 1000 to avoid losing data when converting to int 
>        int milliVcoresUsed = (int) (cpuUsageTotalCoresPercentage * 1000 
>               * maxVCoresAllottedForContainers /nodeCpuPercentageForYARN); 
> This formula will not get right CPU usage based vcore if vcores != physical cores. 



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