Reid Chan updated HBASE-24032:
    Release Note: Admin can determine which tables go to which rsgroup by 
script on Master side which aims to lighten the burden of admin operations.  
Note, since HBase 3+, rsgroup can be specified in TableDescriptor as well, if 
clients specify this, master will skip the determination from script.

> [RSGroup] Assign created tables to respective rsgroup automatically instead 
> of manual operations 
> -------------------------------------------------------------------------------------------------
>                 Key: HBASE-24032
>                 URL: https://issues.apache.org/jira/browse/HBASE-24032
>             Project: HBase
>          Issue Type: Improvement
>          Components: master, rsgroup
>            Reporter: Reid Chan
>            Assignee: Reid Chan
>            Priority: Major
>             Fix For: 2.3.0, master, 1.7.0, 1.4.14, 2.2.5
> In prod practise, it's time consuming and tiring to assign tables to their 
> rsgroups for HBase admin by shell, especially in 1.x rsgroup client is 
> IA.private, we could not even write some programs to do that.
> And I'm here proposing a solution to do the automated rsgroup assignment by 
> allowing running a shell in postCreateTable to determine which table should 
> go to which rsgroup (way in branch-1 not master). The benefit is obvious, 
> admin can determine or change at any time the mapping rule in script without 
> restarting or re-config anything. It's flexible, convenience and time saving.

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