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https://issues.apache.org/jira/browse/YARN-291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13741713#comment-13741713
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Luke Lu commented on YARN-291:
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It'll better if the node resource config is grouped into a repeated field, so
that you can config multiple nodes in one RPC, which is the common case for
cluster management systems.
> Dynamic resource configuration
> ------------------------------
>
> Key: YARN-291
> URL: https://issues.apache.org/jira/browse/YARN-291
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: nodemanager, scheduler
> Reporter: Junping Du
> Assignee: Junping Du
> Labels: features
> Attachments: Elastic Resources for YARN-v0.2.pdf,
> YARN-291-AddClientRMProtocolToSetNodeResource-03.patch,
> YARN-291-all-v1.patch, YARN-291-CoreAndAdmin.patch,
> YARN-291-core-HeartBeatAndScheduler-01.patch,
> YARN-291-JMXInterfaceOnNM-02.patch,
> YARN-291-OnlyUpdateWhenResourceChange-01-fix.patch,
> YARN-291-YARNClientCommandline-04.patch
>
>
> The current Hadoop YARN resource management logic assumes per node resource
> is static during the lifetime of the NM process. Allowing run-time
> configuration on per node resource will give us finer granularity of resource
> elasticity. This allows Hadoop workloads to coexist with other workloads on
> the same hardware efficiently, whether or not the environment is virtualized.
> More background and design details can be found in attached proposal.
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