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From "Ionut Ignatescu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10309) Add support to delete empty regions in 0.94.x series
Date Wed, 12 Feb 2014 21:12:22 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13899582#comment-13899582
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Ionut Ignatescu commented on HBASE-10309:
-----------------------------------------

[~jmhsieh]: Thank you for the respose, but it wasn't clear for me: if I delete an empty region
and I run hbck -repairHoles, what will be the effect?A new empty region just as that was deleted
or one of the neighboring regions will be extended to cover the gap?

Thanks!

> 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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