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https://issues.apache.org/jira/browse/YARN-5448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398962#comment-15398962
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Sunil G commented on YARN-5448:
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bq.Metrics overview table needs to show the resources of all the active NM'
[~Naganarasimha Garla]. I think its better to separate non-configured label
resources as separate column in metrics table. Few advantages
- Admin can immediately notice that there are some label which are
not-configured or part of cluster resource , hence cannot be used. Any action
can be taken with one look in metrics table. As I see, admins may choose not to
configure any label due reasons like a) some labels need to be taken out of
rotation b) may be a configuration mistake etc.
- As per proposed approach, if we add up non-configured label resources to
cluster resources, we need to go to scheduler page to get details. Yes, its a
perception of seeing the data. I think its better if metrics are available
separately in the very first place in cluster metrics table.
- I think we can also have the approach in scheduler to have some info message
for non-used or configured labels. It will definitely help to go for indepth
analysis.
Thoughts?
> Resource in Cluster Metrics is not sum of resources in all nodes of all
> partitions
> ----------------------------------------------------------------------------------
>
> Key: YARN-5448
> URL: https://issues.apache.org/jira/browse/YARN-5448
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacity scheduler, resourcemanager, webapp
> Affects Versions: 2.7.2
> Reporter: Naganarasimha G R
> Assignee: Naganarasimha G R
> Attachments: NodesPage.png, schedulerPage.png
>
>
> Currently Resource info from Cluster Metrics are got from Queue Metrics's
> *available resource + allocated resource*. Hence if there are some nodes
> which belongs to partition but if that partition is not associated with any
> queue then in the capacity scheduler partition hierarchy shows this nodes
> resources under its partition but Cluster metrics doesn't show.
> Apart from this in the Nodes page too Metrics overview table is shown. So if
> we show Resource info from Queue Metrics User will not be able to co relate
> it. (have attached the images for the same)
> IIUC idea of not showing in the *Metrics overview table* is to highlight that
> configuration is not proper. This needs to be some how conveyed through
> parititon-by-queue-hierarchy chart.
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