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https://issues.apache.org/jira/browse/YARN-8932?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haibo Chen updated YARN-8932:
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Attachment: YARN-8932-YARN-1011.00.patch
> ResourceUtilization cpu is misused in oversubscription as a percentage
> ----------------------------------------------------------------------
>
> Key: YARN-8932
> URL: https://issues.apache.org/jira/browse/YARN-8932
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: YARN-1011
> Reporter: Haibo Chen
> Assignee: Haibo Chen
> Priority: Major
> Attachments: YARN-8932-YARN-1011.00.patch
>
>
> The ResourceUtilization javadoc mistakenly documents the cpu as a percentage
> represented by a float number in [0, 1.0f], however it is used as the # of
> vcores used in reality.
> See javadoc and discussion in YARN-8911.
> /**
> * Get <em>CPU</em> utilization.
> *
> * @return <em>CPU utilization</em> normalized to 1 CPU
> */
> @Public
> @Unstable
> public abstract float getCPU();
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