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https://issues.apache.org/jira/browse/HBASE-22040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17042359#comment-17042359
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Duo Zhang commented on HBASE-22040:
-----------------------------------
I'm OK with backporting this if you want. Adding new methods Admin interface
can theoretically break the compatibility if someone implements the interface
but it is fine(we've mentioned this in our refguide as these interfaces are not
supposed to be implement by users).
Just go ahead. [~sakthi].
> Add mergeRegionsAsync with a List of region names method in AsyncAdmin
> ----------------------------------------------------------------------
>
> Key: HBASE-22040
> URL: https://issues.apache.org/jira/browse/HBASE-22040
> Project: HBase
> Issue Type: Sub-task
> Components: Admin, asyncclient, Client
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 3.0.0, 2.2.0, 2.3.0
>
> Attachments: HBASE-22040-branch-2.patch, HBASE-22040-v1.patch,
> HBASE-22040-v2.patch, HBASE-22040-v3.patch, HBASE-22040.patch
>
>
> Although we only support merging two regions until now, but the rpc protocol
> does support passing more than two regions to master.
> So I think we should provide the methods, but need to add comments to say
> that for now we only support merging two regions so do not try to pass more
> than two regions.
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