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https://issues.apache.org/jira/browse/YARN-4260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Li Lu updated YARN-4260:
------------------------
Labels: oct16-easy (was: oct-16-easy oct16-easy)
> Check NodeManager's validity based on hostname(IP) and port
> -----------------------------------------------------------
>
> Key: YARN-4260
> URL: https://issues.apache.org/jira/browse/YARN-4260
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Affects Versions: 2.7.1
> Reporter: jaehoon ko
> Labels: oct16-easy
> Attachments: YARN-4260.001.patch, YARN-4260.002.patch,
> YARN-4260.003.patch
>
>
> There can be situations where multiple NMs are running on the same host;
> emulating multi-host YARN cluster on one host, deploying dockerized NMs that
> share network stack. In such cases, RM should be able to distinguish NMs
> running on the same host. However, current implementation checks validity of
> NM based only on hostname (NodesListManager.isValidNode()). So it is not
> possible to distinguish a specific NM from other NMs on the same host.
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