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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-556) RM Restart phase 2 - Work preserving restart
Date Thu, 15 May 2014 07:01:23 GMT

    [ https://issues.apache.org/jira/browse/YARN-556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13998513#comment-13998513
] 

Tsuyoshi OZAWA commented on YARN-556:
-------------------------------------

{code}
Oh. Forgot to mention that. Anubhav Dhoot offered to split up the prototype into multiple
patches, one for each of the sub-tasks. If I understand right, his prototype covers almost
all the sub-tasks already created.
{code}

[~adhoot], thanks for your great work. I noticed that you attached a patch on YARN-1367. I'll
comment there about the patch.

> RM Restart phase 2 - Work preserving restart
> --------------------------------------------
>
>                 Key: YARN-556
>                 URL: https://issues.apache.org/jira/browse/YARN-556
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: resourcemanager
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>         Attachments: Work Preserving RM Restart.pdf, WorkPreservingRestartPrototype.001.patch
>
>
> YARN-128 covered storing the state needed for the RM to recover critical information.
This umbrella jira will track changes needed to recover the running state of the cluster so
that work can be preserved across RM restarts.



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