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https://issues.apache.org/jira/browse/YARN-5553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15433061#comment-15433061
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Rohith Sharma K S commented on YARN-5553:
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Attached REST output for YARN-CONTAINERS entity types. There can be seen that
master containers has metrics and also observe that memory value is very huge.
Other containers metrics values are empty.
> [ATSv2] "metrics" for YARN_CONTAINERS are displayed as empty.
> -------------------------------------------------------------
>
> Key: YARN-5553
> URL: https://issues.apache.org/jira/browse/YARN-5553
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Rohith Sharma K S
> Attachments: rest-output.txt
>
>
> metrics for YARN_CONTAINER entity types are displayed as empty. For master
> containers some values are displayed but for other containers randomly it
> displays metric values.
> I think the behavior is due to publishing of container metric in monitor
> thread from NodeManager. There are 2 issues I observe is
> # Some containers has metric values CPU-Memory, some are empty.
> # The CPU-Memory values taken are from current usage which monitor thread
> reports. But issue with it is *aggregationOp* is SUM. So Each time monitor
> thread reported values is being added and give some bigger values. But
> ideally it is not actual usage.
> I think CPU-MEMORY metric values for yarn-containers entities should be
> allocated values.
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