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https://issues.apache.org/jira/browse/YARN-6862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated YARN-6862:
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Summary: Nodemanager resource usage metrics sometimes are negative
(was: There is a bug in computing resource usage in NM.)
Target Version/s: 2.8.2
Fix Version/s: (was: 2.8.2)
I updated the summary to be something more specific. Also please do not set
the Fix version field, as that should only be set once a patch is committed to
one or more branches. The Target Version is intended to track the intended
version(s) for the fix.
> Nodemanager resource usage metrics sometimes are negative
> ---------------------------------------------------------
>
> Key: YARN-6862
> URL: https://issues.apache.org/jira/browse/YARN-6862
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.8.2
> Reporter: YunFan Zhou
>
> When we collect real-time metrics of resource usage in NM, we found those
> values sometimes are invalid.
> For example, the following are values when collected at some point:
> "milliVcoresUsed":-5808,
> "currentPmemUsage":-1,
> "currentVmemUsage":-1,
> "cpuUsagePercentPerCore":-968.1026
> "cpuUsageTotalCoresPercentage":-24.202564,
> "pmemLimit":2147483648,
> "vmemLimit":4509715456
> There are many negative values, there may a bug in NM.
> We should fix it, because the real-time metrics of NM is pretty important for
> us sometimes.
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