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https://issues.apache.org/jira/browse/YARN-2994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14318540#comment-14318540
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Junping Du commented on YARN-2994:
----------------------------------

Thanks [~jianhe] for delivering a documentation patch for this important 
feature!
Patch looks good in overall. However, some typos listed below need to be fixed.

{code}
+  Focus on re-constructing the running state of ResourceManger by combining
...
+  As of Hadoop 2.4.0 release, the behaviors for NodeMangers and 
ApplicationMasters to handle this command
...
the container statuses from NodeMangers and container requests from 
ApplicationMasters
...
NodeMangers and clients during the down-time of RM will keep polling RM until 
RM comes up. When RM becomes alive, it will send a re-sync command to all the 
NodeMangers and ApplicationMasters it was talking to via heartbeats.
...
+  As of Hadoop 2.4.0 release, the behaviors for NodeMangers and 
ApplicationMasters to handle this command
{code}
ResourceManger => ResourceManager, NodeMangers => NodeManagers

> Document work-preserving RM restart
> -----------------------------------
>
>                 Key: YARN-2994
>                 URL: https://issues.apache.org/jira/browse/YARN-2994
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-2994.1.patch, YARN-2994.2.patch
>
>




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