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https://issues.apache.org/jira/browse/YARN-5179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15371957#comment-15371957
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Inigo Goiri commented on YARN-5179:
-----------------------------------
[~asuresh], given that YARN-5117 acknowledges that there is a problem with the
way we calculated the CPU usage, I agree with [~Zhongkai] that we should
revisit the way that milliVCores is computed in {{ContainersMonitorImpl}}.
[~Zhongkai], could you upload a patch with your proposal to see if it makes
sense?
> 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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