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From "Li Lu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4260) Check NodeManager's validity based on hostname(IP) and port
Date Thu, 27 Oct 2016 18:50:59 GMT

     [ https://issues.apache.org/jira/browse/YARN-4260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Li Lu updated YARN-4260:
    Labels: oct16-easy  (was: )

> 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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