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https://issues.apache.org/jira/browse/HBASE-10309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13899533#comment-13899533
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Jonathan Hsieh commented on HBASE-10309:
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it will work most of the time but if you have an active cluster, actions like
splitting, balancing and or failures during the hbck run may cause the table to
get into an inconsistent state. Generally if we are doing repairs with hbck,
we try to make the cluster as idle as possible.
Because it is a separate process from the active master, there is racing
possibilities which can cause new inconsistencies.
> Add support to delete empty regions in 0.94.x series
> ----------------------------------------------------
>
> Key: HBASE-10309
> URL: https://issues.apache.org/jira/browse/HBASE-10309
> Project: HBase
> Issue Type: New Feature
> Reporter: AcCud
>
> My use case: I have several tables where keys start with a timestamp. Because
> of this and combined with the fact that I have set a 15 days retention
> period, after a period of time results empty regions.
> I am sure that no write will occur in these region.
> It would be nice to have a tool to delete regions without being necessary to
> stop the cluster.
> The easiest way for me is to have a tool that is able to delete all empty
> regions, but there wouldn't be any problem to specify which region to delete.
> Something like:
> deleteRegion <tableName> <region>
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