Kuhu Shukla commented on YARN-4311:

bq. Do note that with this solution, if a user does a node refresh at least 
once per node removal check interval, no nodes will ever be expunged because 
the timestamp will continually be updated and never exceed the interval.

Still need to address that. Will update patch shortly.

> Removing nodes from include and exclude lists will not remove them from 
> decommissioned nodes list
> -------------------------------------------------------------------------------------------------
>                 Key: YARN-4311
>                 URL: https://issues.apache.org/jira/browse/YARN-4311
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.6.1
>            Reporter: Kuhu Shukla
>            Assignee: Kuhu Shukla
>         Attachments: YARN-4311-v1.patch, YARN-4311-v2.patch, 
> YARN-4311-v3.patch, YARN-4311-v4.patch
> In order to fully forget about a node, removing the node from include and 
> exclude list is not sufficient. The RM lists it under Decomm-ed nodes. The 
> tricky part that [~jlowe] pointed out was the case when include lists are not 
> used, in that case we don't want the nodes to fall off if they are not active.

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