[HBASE-17349] Add doc for regionserver group-based assignment

• Type: Sub-task
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: regionserver, rsgroup
• Hadoop Flags: Reviewed
• Assignee: Michael Stack
• Reporter: Michael Stack
• Created: 20/Dec/16 15:55
• Updated: 01/Jul/22 20:54
• Resolved: 05/Feb/17 16:37

Description

Currently, this feature has no doc. I tried to use it last night and it took reading unit tests to figure how to get it going and how to use it. I added a bit to the release notes in the parent.

Marking as a critical on 2.0.