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https://issues.apache.org/jira/browse/AMBARI-6088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14042412#comment-14042412
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Zhijie Shen commented on AMBARI-6088:
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It seems that allocated + available = the queue's share of cluster resource.
Allocated and available are already available from queue metrics, while the
queue's share of cluster resource needs to be computed from the cluster
resource and the queue absolute capacity. Either way should be correct, but % =
allocated * 100 / (allocated + available) seems to be more efficient.
> Ambari-web's YARN Metric "Queue Memory Used" is not meaningful
> --------------------------------------------------------------
>
> Key: AMBARI-6088
> URL: https://issues.apache.org/jira/browse/AMBARI-6088
> Project: Ambari
> Issue Type: Bug
> Affects Versions: 1.5.1, 1.6.0, 1.6.1
> Reporter: Hars Vardhan
> Labels: patch
> Fix For: 1.6.1
>
> Attachments: AMBARI-6088.patch
>
>
> On this webUI : http://<ambari-host-name>:8080/#/main/services/YARN/summary
> "Queue Memory Used" graph in Ambari' YARN web page seems abnormal. Sometimes,
> queue is using more than 400% of the cluster memory!! How this is calculated?
> It doesn't match with any metrics shown on Resource Manager UI page.
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