Jian He commented on YARN-3354:


> Container should contains node-labels asked by original ResourceRequests
> ------------------------------------------------------------------------
>                 Key: YARN-3354
>                 URL: https://issues.apache.org/jira/browse/YARN-3354
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: api, capacityscheduler, nodemanager, resourcemanager
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>         Attachments: YARN-3354.1.patch, YARN-3354.2.patch
> We proposed non-exclusive node labels in YARN-3214, makes non-labeled 
> resource requests can be allocated on labeled nodes which has idle resources.
> To make preemption work, we need know an allocated container's original node 
> label: when labeled resource requests comes back, we need kill non-labeled 
> containers running on labeled nodes.
> This requires add node-labels in Container, and also, NM need store this 
> information and send back to RM when RM restart to recover original container.

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