[jira] [Updated] (HBASE-24102) RegionMover should exclude draining/decommissioning nodes from target RSs

["Nick Dimiduk (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-24102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nick Dimiduk updated HBASE-24102:
---------------------------------
    Fix Version/s:     (was: 2.4.0)

> RegionMover should exclude draining/decommissioning nodes from target RSs
> -------------------------------------------------------------------------
>
>                 Key: HBASE-24102
>                 URL: https://issues.apache.org/jira/browse/HBASE-24102
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Anoop Sam John
>            Assignee: Viraj Jasani
>            Priority: Major
>             Fix For: 3.0.0-alpha-1, 2.3.0, 2.1.10, 2.2.5
>
>
> When using RegionMover tool to unload the regions from a given RS, it decides the list of destination RSs by 
> {code}
> List<ServerName> regionServers = new ArrayList<>();
>         regionServers.addAll(admin.getRegionServers());
>         // Remove the host Region server from target Region Servers list
>         ServerName server = stripServer(regionServers, hostname, port);
>         .....
>         // Remove RS present in the exclude file
>         stripExcludes(regionServers);
>         stripMaster(regionServers);
> {code}
> Ya it is removing the RSs mentioned in the exclude file.  
> Better when the RegionMover user is NOT mentioning any exclude list, we can exclude the draining/decommissioning RSs
> Admin#listDecommissionedRegionServers()



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