[jira] [Commented] (HBASE-23060) Allow config rs group for a region

["Duo Zhang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-23060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16934413#comment-16934413 ] 

Duo Zhang commented on HBASE-23060:
-----------------------------------

The idea is that, we can return a data structure instead of a simple string when calling TableDescriptor.getRegionServerGroup.

And we use row key range to store the information, for example

groupA; a, b => groupB; b, c => groupC

This means the rs group for this table is default to groupA, and if a region is in range [a, b), then its rs group is groupB, and if a region is in range [b, c), its rs group is groupC.

> Allow config rs group for a region
> ----------------------------------
>
>                 Key: HBASE-23060
>                 URL: https://issues.apache.org/jira/browse/HBASE-23060
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Duo Zhang
>            Priority: Major
>
> Sometimes we only want to separate a region which is the hotspot, so it will be good if we can config rs group for a region.



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