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https://issues.apache.org/jira/browse/YARN-1391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13846048#comment-13846048
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Junping Du commented on YARN-1391:
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> in case of multiple node managers on a single machine.
Can you provide more details on real scenarios for multiple NMs on a single 
machine (beside test purpose)?

> Lost node list should be identify by NodeId
> -------------------------------------------
>
>                 Key: YARN-1391
>                 URL: https://issues.apache.org/jira/browse/YARN-1391
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.0.5-alpha
>            Reporter: Siqi Li
>            Assignee: Siqi Li
>         Attachments: YARN-1391.v1.patch
>
>
> in case of multiple node managers on a single machine. each of them should be 
> identified by NodeId, which is more unique than just host name



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