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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-291) Dynamic resource configuration
Date Fri, 16 Aug 2013 00:25:47 GMT

    [ https://issues.apache.org/jira/browse/YARN-291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13741713#comment-13741713
] 

Luke Lu commented on YARN-291:
------------------------------

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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