Junping Du updated YARN-1000:
    Component/s: graceful

> Dynamic resource configuration feature can be configured to enable or disable 
> and persistent on setting or not
> --------------------------------------------------------------------------------------------------------------
>                 Key: YARN-1000
>                 URL: https://issues.apache.org/jira/browse/YARN-1000
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: graceful, nodemanager, scheduler
>            Reporter: Junping Du
>            Assignee: Junping Du
>         Attachments: YARN-1000-sample.patch
> There are some configurations for feature of dynamic resource configuration:
> 1. enable or not: if enable, then setting node resource in runtime through 
> CLI/REST/JMX can be successful, else exceptions of "function not supported" 
> will be thrown out. In future, we may support to enable this feature in 
> partial nodes which has resource flexibility (like virtual nodes).
> 2. dynamic resource setting is persistent or not: it depends on users' 
> scenario to see if the life cycle of setting in runtime should be kept after 
> NM is down and restart.

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