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Posted to issues@hbase.apache.org by "Viraj Jasani (Jira)" <ji...@apache.org> on 2020/06/22 17:32:00 UTC
[jira] [Resolved] (HBASE-24102) RegionMover should exclude
draining/decommissioning nodes from target RSs
[ https://issues.apache.org/jira/browse/HBASE-24102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Viraj Jasani resolved HBASE-24102.
----------------------------------
Resolution: Fixed
Addendum is committed to master, branch-2, 2.3, 2.2, 2.1.
> 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, 2.4.0, 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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