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https://issues.apache.org/jira/browse/HBASE-7876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13588168#comment-13588168
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clockfly commented on HBASE-7876:
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ramakrishna, may be this patch don't conflict with your use case.
Splitting a empty region will only happen when one of the two conditions is met:
1. Force manual split by specifiying a midkey.
2. Write a customized SplitPolicy.
For condition 2, it is the customized splitpolicy's choice.
For condition 1, if the application don't want to split a empty region, the
application should check whether the region is empty by running a small scan.
If the admin don't specify a midkey, for a empty region, the default split
policy RegionSplitPolicy:shouldSplit() will always return false, and split will
never happen.
> 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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