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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-230) Make changes for RM restart phase 1
Date Tue, 20 Nov 2012 14:44:59 GMT

    [ https://issues.apache.org/jira/browse/YARN-230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13501213#comment-13501213
] 

Bikas Saha commented on YARN-230:
---------------------------------

Attached patch applies on top of patch for YARN-229
                
> Make changes for RM restart phase 1
> -----------------------------------
>
>                 Key: YARN-230
>                 URL: https://issues.apache.org/jira/browse/YARN-230
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>         Attachments: YARN-230.1.patch
>
>
> As described in YARN-128, phase 1 of RM restart puts in place mechanisms to save application
state and read them back after restart. Upon restart, the NM's are asked to reboot and the
previously running AM's are restarted.
> After this is done, RM HA and work preserving restart can continue in parallel. For more
details please refer to the design document in YARN-128

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