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https://issues.apache.org/jira/browse/HBASE-4627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13141546#comment-13141546
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Phabricator commented on HBASE-4627:
------------------------------------

nspiegelberg has committed the revision "[jira] [HBASE-4627] Ability to specify 
a custom start/end to RegionSplitter".

REVISION DETAIL
  https://reviews.facebook.net/D39

COMMIT
  https://reviews.facebook.net/rHBASE1196256

                
> Ability to specify a custom start/end to RegionSplitter
> -------------------------------------------------------
>
>                 Key: HBASE-4627
>                 URL: https://issues.apache.org/jira/browse/HBASE-4627
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.94.0
>            Reporter: Nicolas Spiegelberg
>            Assignee: Nicolas Spiegelberg
>         Attachments: D39.1.patch, D39.1.patch
>
>
> HBASE-4489 changed the default endKey on HexStringSplit from 7FFF... to 
> FFFF...  While this is correct, existing users of 0.90 RegionSplitter have 
> 7FFF as the end key in their schema and the last region will not split 
> properly under this new code.  We need to let the user specify a custom 
> start/end key range for when situations like this arise.  Optimally, we 
> should also write the start/end key in META so we could figure this out 
> implicitly instead of requiring the user to explicitly specify it.

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