Konstantinos Karanasos commented on YARN-2882:

Thanks for the feedback, [~asuresh].
I will address point (2), and will fix the patch so that it applies to the 
yarn-2877 branch I created off apache trunk yesterday.

Moreover, I will make sure we align with YARN-3116 that introduced container 
types for distinguishing the AM container.

Regarding the builder pattern, do you think we should address that here or is 
it better to create a separate JIRA for having a more principled way to create 
new instances of resources?

> Introducing container types
> ---------------------------
>                 Key: YARN-2882
>                 URL: https://issues.apache.org/jira/browse/YARN-2882
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Konstantinos Karanasos
>            Assignee: Konstantinos Karanasos
>         Attachments: yarn-2882.patch
> This JIRA introduces the notion of container types.
> We propose two initial types of containers: guaranteed-start and queueable 
> containers.
> Guaranteed-start are the existing containers, which are allocated by the 
> central RM and are instantaneously started, once allocated.
> Queueable is a new type of container, which allows containers to be queued in 
> the NM, thus their execution may be arbitrarily delayed.

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