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https://issues.apache.org/jira/browse/YARN-3482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14500395#comment-14500395
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Sunil G commented on YARN-3482:
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Hi [~elgoiri]
bq. better to report the resources utilized by the machine.
Do you mean Total CPU, and Total Memory etc.
Could you please elaborate how this can help in doing a better resource
allotment.
As I see, if affinity is not set in CPU, distribution will be more generic and
it may not be so easy to derive from that.
> Report NM available resources in heartbeat
> ------------------------------------------
>
> Key: YARN-3482
> URL: https://issues.apache.org/jira/browse/YARN-3482
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager, resourcemanager
> Affects Versions: 2.7.0
> Reporter: Inigo Goiri
> Original Estimate: 504h
> Remaining Estimate: 504h
>
> NMs are usually collocated with other processes like HDFS, Impala or HBase.
> To manage this scenario correctly, YARN should be aware of the actual
> available resources. The proposal is to have an interface to dynamically
> change the available resources and report this to the RM in every heartbeat.
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