[jira] [Updated] (YARN-693) Sending NMToken to AM on allocate

["Omkar Vinit Joshi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-693?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Omkar Vinit Joshi updated YARN-693:
-----------------------------------

    Summary: Sending NMToken to AM on allocate  (was: Sending NMToken to AM on allocate call if container is allocated for the first time on underlying NM for given AM)
    
> Sending NMToken to AM on allocate
> ---------------------------------
>
>                 Key: YARN-693
>                 URL: https://issues.apache.org/jira/browse/YARN-693
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Omkar Vinit Joshi
>            Assignee: Omkar Vinit Joshi
>
> This is part of YARN-613.
> Here AM will receive NMToken in allocate call only if
> * AM is receiving first container on underlying NM. (Exception. if RM has restarted in between then it will receive it again for work preserving environment).
> This NMToken will be used for AM-NM authentication; however this will be implemented in another ticket. AM will have to remember this token for communicating with NM.

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