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https://issues.apache.org/jira/browse/YARN-3482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505420#comment-14505420
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Inigo Goiri commented on YARN-3482:
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I agree, 2 is more distributed and fits better the model that we want to push.
I'll implement it today.
> 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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