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https://issues.apache.org/jira/browse/HBASE-13463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-13463:
---------------------------
    Attachment: 13463-v2-branch-1.txt

Here is an alternate solution.

regionStateListener.onRegionMerged() is called only when merge succeeds. This 
aligns with the behavior in master branch so that we don't introduce new 
callback in RegionStateListener

I can adjust the subject of this JIRA if v2 is deemed better.

> Quota needs to be updated in case of reverted merge
> ---------------------------------------------------
>
>                 Key: HBASE-13463
>                 URL: https://issues.apache.org/jira/browse/HBASE-13463
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 2.0.0, 1.1.0
>
>         Attachments: 13463-v1.txt, 13463-v2-branch-1.txt
>
>
> During review of HBASE-13438, Vandana pointed out the following:
> in the case of MERGE_REVERTED, the assignment manager is not updating the 
> quota. You need to add another hook in RegionStateListener class just like 
> split.
> This issue is to fix the above case.



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