[jira] [Resolved] (YARN-3828) Add a flag in container to indicate whether it's an AM container or not

["Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-3828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinod Kumar Vavilapalli resolved YARN-3828.
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    Resolution: Duplicate

We usually close the newly filed JIRAs as dups.

I am closing this as dup of YARN-3116 and assigning that to [~giovanni.fumarola].

> Add a flag in container to indicate whether it's an AM container or not 
> ------------------------------------------------------------------------
>
>                 Key: YARN-3828
>                 URL: https://issues.apache.org/jira/browse/YARN-3828
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Subru Krishnan
>            Assignee: Giovanni Matteo Fumarola
>
> YARN-2022 adds a flag in RMContainer to indicate whether the container is an AM or not to skip pre-emption of AM containers. This JIRA proposes propagating this information to NMs as it's required by the AMRMProxy (YARN-2884/YARN-3666) to identify if the container is an AM for:
> 1) Security - for authorizing only AMs to communicate with RMs. For e.g.: this is useful to prevent DDos attacks by all containers of a malicious app.
> 2) Federation - to allow for transparently spanning an app across multiple sub-clusters



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