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https://issues.apache.org/jira/browse/YARN-7625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16283900#comment-16283900
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Weiwei Yang commented on YARN-7625:
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Hi [~jlowe]
I agree. To ensure the metrics be accurate, it should be published when its
value gets updated. This needs to be done in {{ContainersMonitorImpl}} and
{{NodeResourceMonitorImpl}}. I just uploaded v2 patch, with following changes
# Moved the publish metrics code to {{ContainersMonitorImpl}} and
{{NodeResourceMonitorImpl}}, they publish the metrics in each monitor interval
once utilization updated
# Added {{NodeManagerMetrics}} into node manager {{Context}}, so it can be
accessed in monitors
# Added 2 UT to test metrics update in both {{ContainersMonitorImpl}} and
{{NodeResourceMonitorImpl}}
Please help to review, thanks.
> Expose NM node/containers resource utilization in JVM metrics
> -------------------------------------------------------------
>
> Key: YARN-7625
> URL: https://issues.apache.org/jira/browse/YARN-7625
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Attachments: YARN-7625.001.patch
>
>
> YARN-4055 adds node resource utilization to NM, we should expose these info
> in NM metrics, it helps in following cases:
> # Users want to check NM load in NM web UI or via rest API
> # Provide the API to further integrated to the new yarn UI, to display NM
> load status
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