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From "Jeff Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1197) Support changing resources of an allocated container
Date Thu, 11 Dec 2014 05:10:18 GMT

     [ https://issues.apache.org/jira/browse/YARN-1197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jeff Zhang updated YARN-1197:
-----------------------------
    Assignee:     (was: Jeff Zhang)

> Support changing resources of an allocated container
> ----------------------------------------------------
>
>                 Key: YARN-1197
>                 URL: https://issues.apache.org/jira/browse/YARN-1197
>             Project: Hadoop YARN
>          Issue Type: Task
>          Components: api, nodemanager, resourcemanager
>    Affects Versions: 2.1.0-beta
>            Reporter: Wangda Tan
>         Attachments: mapreduce-project.patch.ver.1, tools-project.patch.ver.1, yarn-1197-scheduler-v1.pdf,
yarn-1197-v2.pdf, yarn-1197-v3.pdf, yarn-1197-v4.pdf, yarn-1197-v5.pdf, yarn-1197.pdf, yarn-api-protocol.patch.ver.1,
yarn-pb-impl.patch.ver.1, yarn-server-common.patch.ver.1, yarn-server-nodemanager.patch.ver.1,
yarn-server-resourcemanager.patch.ver.1
>
>
> The current YARN resource management logic assumes resource allocated to a container
is fixed during the lifetime of it. When users want to change a resource 
> of an allocated container the only way is releasing it and allocating a new container
with expected size.
> Allowing run-time changing resources of an allocated container will give us better control
of resource usage in application side



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