[jira] [Resolved] (HBASE-25518) Support separate child regions to different region servers

["Michael Stack (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-25518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Stack resolved HBASE-25518.
-----------------------------------
    Fix Version/s: 2.4.3
                   2.5.0
                   3.0.0-alpha-1
     Hadoop Flags: Reviewed
     Release Note: 
Config key for enable/disable automatically separate child regions to different region servers in the procedure of split regions. One child will be kept to the server where parent region is on, and the other child will be assigned to a random server.

hbase.master.auto.separate.child.regions.after.split.enabled

Default setting is false/off.
       Resolution: Fixed

Merged to branch-2.4+. Thanks for the feature [~Xiaolin Ha]. 

> Support separate child regions to different region servers
> ----------------------------------------------------------
>
>                 Key: HBASE-25518
>                 URL: https://issues.apache.org/jira/browse/HBASE-25518
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Xiaolin Ha
>            Assignee: Xiaolin Ha
>            Priority: Major
>             Fix For: 3.0.0-alpha-1, 2.5.0, 2.4.3
>
>
> Hot/Large regions can be splitted automatically by some split policies. But children regions will be both on the RS which owns the parent region. We can support dividing child regions from the master side, maybe add a step at the last of SplitTableRegionProcedure.



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