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https://issues.apache.org/jira/browse/HBASE-10603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13964631#comment-13964631
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Jeremy Carroll commented on HBASE-10603:
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FWIW we currently use the org.apache.hadoop.hbase.util.RegionSplitter with 
online rolling splits to perform capacity planning on live clusters. The HBase 
shell only allows for Splits for newly created tables I believe. 

> Deprecate RegionSplitter CLI tool
> ---------------------------------
>
>                 Key: HBASE-10603
>                 URL: https://issues.apache.org/jira/browse/HBASE-10603
>             Project: HBase
>          Issue Type: Improvement
>          Components: util
>            Reporter: Nick Dimiduk
>            Priority: Minor
>              Labels: noob
>             Fix For: 0.99.0
>
>
> RegionSplitter is a utility for partitioning a table based on some split 
> algorithm. Those same algorithms are exposed via the shell create command. 
> There's no value in having two ways to access the same functionality. Ensure 
> the main method doesn't provide any functionality absent from the shell and 
> remove it.



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