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https://issues.apache.org/jira/browse/HBASE-22813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16905779#comment-16905779
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Xiaolin Ha commented on HBASE-22813:
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Yes. But what I think is, if a user set meta to a group other than default, and
he set meta group servers be live, but other group has no live servers,(may be
all region servers are offline by some problems, such as network problems, and
he thinks firstly to start meta group servers.), then meta will always be
offline, and users will not find out why. I think the minority will think
default group is so important for meta if they use rsgroup.
> Revisit the logic of when we can remove the last server from a rsgroup and
> when can we remove a rsgroup
> -------------------------------------------------------------------------------------------------------
>
> Key: HBASE-22813
> URL: https://issues.apache.org/jira/browse/HBASE-22813
> Project: HBase
> Issue Type: Sub-task
> Reporter: Duo Zhang
> Priority: Major
>
> The logic is a bit confusing for now. We do not allow creating tables to an
> empty rs group, but it is fine to remove all the regionservers from a
> rsgroup. And we will even automatically remove region servers when
> clearDeadServers...
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