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https://issues.apache.org/jira/browse/HBASE-7876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13588127#comment-13588127
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clockfly commented on HBASE-7876:
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I think there are several motives:
1. HBaseAdmin can allow splitting by specifying a midkey. For a empty region,
we should allow the user to manual split a empty region if the user expects
there will be heavy load for this region future.
2. We allow user to customize the SplitPolicy, the splitpoint can be
customized. When the customized SplitPolicy said that we need split at xx
point, then we should support it, no matter there is store files in the region
or not.
> Got exception when manually triggers a split on an empty region
> ---------------------------------------------------------------
>
> Key: HBASE-7876
> URL: https://issues.apache.org/jira/browse/HBASE-7876
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.94.5
> Reporter: Maryann Xue
> Assignee: Maryann Xue
> Priority: Minor
> Attachments: HBASE-7876-0.94.patch
>
>
> We should allow a region to split successfully even if it does not yet have
> storefiles.
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