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https://issues.apache.org/jira/browse/HBASE-12972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14306650#comment-14306650
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Lars Hofhansl commented on HBASE-12972:
---------------------------------------

[~giacomotaylor], let's figure out what Phoenix needs. That would be a good 
starting point.

> Region, a supportable public/evolving subset of HRegion
> -------------------------------------------------------
>
>                 Key: HBASE-12972
>                 URL: https://issues.apache.org/jira/browse/HBASE-12972
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Andrew Purtell
>
> On HBASE-12566, [~lhofhansl] proposed:
> {quote}
> Maybe we can have a {{Region}} interface that is to {{HRegion}} is what 
> {{Store}} is to {{HStore}}. Store marked with {{@InterfaceAudience.Private}} 
> but used in some coprocessor hooks.
> {quote}
> By example, now coprocessors have to reach into HRegion in order to 
> participate in row and region locking protocols, this is one area where the 
> functionality is legitimate for coprocessors but not for users, so an 
> in-between interface make sense.
> In addition we should promote {{Store}}'s interface audience to 
> LimitedPrivate(COPROC).



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