[HBASE-22813] Revisit the logic of when we can remove the last server from a rsgroup and when can we remove a rsgroup

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Assignee: Unassigned
• Reporter: Duo Zhang
• Created: 07/Aug/19 09:06
• Updated: 03/Feb/20 11:43
• Resolved: 03/Feb/20 11:43

Description

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...