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https://issues.apache.org/jira/browse/YARN-6753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16070923#comment-16070923
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Roni Burd commented on YARN-6753:
---------------------------------

ok, so I'm hearing the consensus to be add a version number, and hide the logic 
in the clients. Default values arae set via protobuf and clients are unaware of 
the change. 



> Expose more ContainerImpl states from NM in ContainerStateProto 
> ----------------------------------------------------------------
>
>                 Key: YARN-6753
>                 URL: https://issues.apache.org/jira/browse/YARN-6753
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Roni Burd
>            Priority: Minor
>
> The current NM protobuf definition exposes a subset of the NM internal state 
> via ContainerStateProto.
> We are currently building tools that can use of more fine grain state like 
> LOCALIZING, LOCALIZED, EXIT_WITH_FAILURES etc.
> The proposal is to add more internal states in the API.
> I'm not sure if this is considered an Incompatible change or not



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