Naganarasimha G R commented on YARN-4344:

Hi [~zxu], 
Seems like the jira number is wrong as YARN-3286 is closed as wont fix ! Are 
you referring to any other [~rohithsharma]'s jira?

> NMs reconnecting with changed capabilities can lead to wrong cluster resource 
> calculations
> ------------------------------------------------------------------------------------------
>                 Key: YARN-4344
>                 URL: https://issues.apache.org/jira/browse/YARN-4344
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.1, 2.6.2
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>            Priority: Critical
>         Attachments: YARN-4344.001.patch
> After YARN-3802, if an NM re-connects to the RM with changed capabilities, 
> there can arise situations where the overall cluster resource calculation for 
> the cluster will be incorrect leading to inconsistencies in scheduling.

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