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https://issues.apache.org/jira/browse/HBASE-24760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guanghao Zhang resolved HBASE-24760.
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Fix Version/s: 2.4.0
Resolution: Fixed
Pushed to branch-2+. Thanks [~Ddupg] for contributing.
> Add a config hbase.rsgroup.fallback.enable for RSGroup fallback feature
> -----------------------------------------------------------------------
>
> Key: HBASE-24760
> URL: https://issues.apache.org/jira/browse/HBASE-24760
> Project: HBase
> Issue Type: New Feature
> Components: rsgroup
> Affects Versions: 3.0.0-alpha-1
> Reporter: Sun Xin
> Assignee: Sun Xin
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.4.0
>
>
> In HBASE-22738 we allow tables fallback to specific rs groups, If there is no
> online servers in the table's rsgroup.
> -But for system tables, if there is no specified fallback rsgroup or the
> servers in the fallback rsgroup all went down, It is necessary to allow
> system tables fallback to any rsgroup in order to keey available at all
> times.-
> For Availability, refactor design of rsgroup fallback, finally only
> introduced one config property `hbase.rsgroup.fallback.enable`, allow all
> table, whether or not system tables, fallback to the default rsgroup first,
> then fallback to any group if no online servers in default rsgroup.
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