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https://issues.apache.org/jira/browse/HBASE-24112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reid Chan resolved HBASE-24112.
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Hadoop Flags: Reviewed
Resolution: Fixed
> [RSGroup] Support renaming rsgroup
> ----------------------------------
>
> Key: HBASE-24112
> URL: https://issues.apache.org/jira/browse/HBASE-24112
> Project: HBase
> Issue Type: Improvement
> Components: rsgroup
> Reporter: Reid Chan
> Assignee: Reid Chan
> Priority: Major
> Fix For: 3.0.0, 2.3.0, 1.7.0, 2.2.5
>
>
> Rsgroup name once is decided at the beginning, it is difficult to rename it.
> Current approach is removing all tables and servers back to default rsgroup,
> then delete it and add a rsgroup with the new name, after that moving regions
> and servers back. Or without moving back, if machine resources is ample.
> Anyway, it is an expensive operation: moving regions, breaking region's
> locality.
> And given that rsgroup is one kind of managements in cluster, and management
> sometimes changes, renaming is necessary.
> It is simple in implementation. I'm working on it.
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