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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12972) Region, a supportable public/evolving subset of HRegion
Date Fri, 27 Feb 2015 02:16:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14339608#comment-14339608
] 

Andrew Purtell commented on HBASE-12972:
----------------------------------------

Yes let's move the SplitTransaction and RegionMergeTransaction changes proposed here to HBASE-12975.
I have copied the tail of the discussion here over there. Will update the patch here accordingly.


> 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
>            Assignee: Andrew Purtell
>             Fix For: 2.0.0, 1.0.1, 1.1.0, 0.98.11
>
>         Attachments: HBASE-12972-0.98.patch, HBASE-12972-0.98.patch, HBASE-12972-0.98.patch
>
>
> 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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