Rohith commented on YARN-2880:

I update the patch for adding test NodeManagerLabel recovery during RM restart. 
The test does straight forward sanity check that 
1. Start RM1
2. Add 3 labels to cluster and add 1 NodeLabel to Node.
3. Verify labels
4. Start  RM2 with same file patch of NodeStore
5. verify labels

Any  specific scenario am I missing ?

> Add a test in TestRMRestart to make sure node labels will be recovered if it 
> is enabled
> ---------------------------------------------------------------------------------------
>                 Key: YARN-2880
>                 URL: https://issues.apache.org/jira/browse/YARN-2880
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Wangda Tan
>            Assignee: Rohith
>         Attachments: 0001-YARN-2880.patch
> As suggested by [~ozawa], 
> [link|https://issues.apache.org/jira/browse/YARN-2800?focusedCommentId=14217569&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14217569].
>  We should have a such test to make sure there will be no regression

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