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https://issues.apache.org/jira/browse/HBASE-13964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14600979#comment-14600979
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Mikhail Antonov commented on HBASE-13964:
-----------------------------------------

Yeah, speaking of the savings.. I didn't do any profiling, but I'm fairly 
certain that cost of extra calls here is negligible compared to time of actual 
split/merge for any real-world regions :) so I wouldn't worry about it now.

> Skip region normalization for tables under namespace quota
> ----------------------------------------------------------
>
>                 Key: HBASE-13964
>                 URL: https://issues.apache.org/jira/browse/HBASE-13964
>             Project: HBase
>          Issue Type: Task
>          Components: Balancer, Usability
>            Reporter: Mikhail Antonov
>            Assignee: Ted Yu
>             Fix For: 2.0.0, 1.2.0, 1.3.0
>
>         Attachments: 13964-branch-1-v2.txt, 13964-branch-1-v3.txt, 
> 13964-v1.txt
>
>
> As [~te...@apache.org] pointed out in HBASE-13103, we need to discuss how to 
> normalize regions of tables under namespace control. What was proposed is to 
> disable normalization of such tables.



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