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Date: Sun, 15 Sep 2013 01:46:52 +0000 (UTC)
From: "Wangda Tan (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.12668437.1379062315994.136124.1379209612056@arcas>
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Subject: [jira] [Commented] (YARN-1197) Add container merge support in YARN
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    [ https://issues.apache.org/jira/browse/YARN-1197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13767646#comment-13767646 ] 

Wangda Tan commented on YARN-1197:
----------------------------------

Bikas,
Thanks for your patiently explains, I just took a look at YARN-898, this really helps,
I agree RM is much easier than AM to do this. And as you pointed, in our case, increase an existing container size is as same as merge containers. I support change this title to something like "increase an existing container size" and link this to YARN-898. 
                
> Add container merge support in YARN
> -----------------------------------
>
>                 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
>
> Currently, YARN cannot support merge several containers in one node to a big container, which can make us incrementally ask resources, merge them to a bigger one, and launch our processes. The user scenario is described in the comments.

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