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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1368) Common work to re-populate containers’ state into scheduler
Date Fri, 30 May 2014 16:13:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-1368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14013880#comment-14013880
] 

Wangda Tan commented on YARN-1368:
----------------------------------

[~jianhe], while reading YARN-2022, I don't know if you considered masterContainer recovering
in this patch or not. I haven't found it in the patch, I think we need to consider it if it's
not here. For preemption policy, it's important to get AM containers before making preemption
decisions.

> Common work to re-populate containers’ state into scheduler
> -----------------------------------------------------------
>
>                 Key: YARN-1368
>                 URL: https://issues.apache.org/jira/browse/YARN-1368
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Bikas Saha
>            Assignee: Jian He
>         Attachments: YARN-1368.1.patch, YARN-1368.2.patch, YARN-1368.3.patch, YARN-1368.4.patch,
YARN-1368.5.patch, YARN-1368.combined.001.patch, YARN-1368.preliminary.patch
>
>
> YARN-1367 adds support for the NM to tell the RM about all currently running containers
upon registration. The RM needs to send this information to the schedulers along with the
NODE_ADDED_EVENT so that the schedulers can recover the current allocation state of the cluster.



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