Sunil G commented on YARN-4406:

YARN-3226 which is a subtask of YARN-914 will be splitting cluster metrics in 
to two TABLES (Node metrics table)  as we have to show Decommissioning nodes 
Patch is given there already for same. However this particular case s not 
handled there. Mostly as progress is made for this,  please also see the 
progress in YARN-3226.

> RM Web UI continues to show decommissioned nodes even after RM restart
> ----------------------------------------------------------------------
>                 Key: YARN-4406
>                 URL: https://issues.apache.org/jira/browse/YARN-4406
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Ray Chiang
>            Priority: Minor
> If you start up a cluster, decommission a NodeManager, and restart the RM, 
> the decommissioned node list will still show a positive number (1 in the case 
> of 1 node) and if you click on the list, it will be empty.

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