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From "Zhiguo" <hong.zhi...@foxmail.com>
Subject Re: [jira] [Assigned] (YARN-1197) Support changing resources of anallocated container
Date Fri, 14 Mar 2014 09:02:44 GMT
Hi,  Jeff,

How can you assign an issue to yourself when you are not "contributor" yet?

I want to assign an issue too.

Thanks,
Zhiguo

------------------ Original ------------------
From:  "Jeff Zhang (JIRA)";<jira@apache.org>;
Send time: Friday, Mar 14, 2014 4:59 PM
To: "yarn-issues"<yarn-issues@hadoop.apache.org>; 

Subject:  [jira] [Assigned] (YARN-1197) Support changing resources of anallocated container




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

Jeff Zhang reassigned YARN-1197:
--------------------------------

    Assignee: 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
>            Assignee: Jeff Zhang
>         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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