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https://issues.apache.org/jira/browse/HBASE-23864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17042509#comment-17042509
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Guanghao Zhang commented on HBASE-23864:
----------------------------------------

{quote}This breaks TestSplitOrMergeStatus#testSplitSwitch in branch-2 (seems 
fine on master)
{quote}
It's fine on master. Because the async client's admin.split() method not throw 
the exception out. This should be another issue. Let me check that how to fix 
this.

> No need to submit SplitTableRegionProcedure/MergeTableRegionsProcedure when 
> split/merge is disabled
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-23864
>                 URL: https://issues.apache.org/jira/browse/HBASE-23864
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Guanghao Zhang
>            Assignee: Guanghao Zhang
>            Priority: Major
>             Fix For: 3.0.0, 2.3.0, 2.2.4, 2.1.10
>
>         Attachments: HBASE-23864-addendum.patch, HBASE-23864.PNG
>
>
> Now even the split/merge is disabled, master will submit a 
> SplitTableRegionProcedure, too. And rollback it when execute failed. I 
> thought the split/merge switch is a cluster level swtich. Master can check it 
> early and no need to submit 
> SplitTableRegionProcedure/MergeTableRegionsProcedure when split/merge switch 
> is disabled.



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