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https://issues.apache.org/jira/browse/HBASE-8189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13613565#comment-13613565
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chunhui shen commented on HBASE-8189:
-------------------------------------

It seems difficult because merge_region command need encoded region name, 
however table regions are difficult to obtain through the curren scripts. 
Therefore, there is no test for region-oriented commands, e.g. Move, Assign, 
Unassign, Split/Compact region
                
> Shell commands of online region merge
> -------------------------------------
>
>                 Key: HBASE-8189
>                 URL: https://issues.apache.org/jira/browse/HBASE-8189
>             Project: HBase
>          Issue Type: Sub-task
>          Components: shell
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>             Fix For: 0.95.0, 0.98.0
>
>         Attachments: hbase-8189v1.patch, hbase-8189v2.patch
>
>
> Shell commands of region merge
> Usage:
> hbase> merge_region 'ENCODED_REGIONNAME', 'ENCODED_REGIONNAME'
> hbase> merge_region 'ENCODED_REGIONNAME', 'ENCODED_REGIONNAME', true
> Passing 'true' as the optional third parameter will force a merge ('force' 
> merges regardless else merge will fail unless passed adjacent regions. 
> 'force' is for expert use only)

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