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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-556) RM Restart phase 2 - Work preserving restart
Date Mon, 21 Apr 2014 12:16:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13975541#comment-13975541
] 

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

[~adhoot], I glanced over your patch.

1. Can you split your code into each subtasks? Your patch includes overall changes of this
task. We should discuss small points on each subtask JIRA.
2. IMO, prototype is enough to validate the design. Do you have any additional comments about
design docs?

I'd like to include this feature in 2.5.0(maybe May - June?), so let's work togather :-)

> 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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