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From "Mikhail Antonov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13103) [ergonomics] add shell,API to "reshape" a table
Date Wed, 25 Feb 2015 20:05:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14337086#comment-14337086
] 

Mikhail Antonov commented on HBASE-13103:
-----------------------------------------

My guess would be that if a command executes a number of splits and merges behind the scene,
production admins would want to review and approve them first?

> [ergonomics] add shell,API to "reshape" a table
> -----------------------------------------------
>
>                 Key: HBASE-13103
>                 URL: https://issues.apache.org/jira/browse/HBASE-13103
>             Project: HBase
>          Issue Type: Brainstorming
>          Components: Usability
>            Reporter: Nick Dimiduk
>
> Often enough, folks miss-judge split points or otherwise end up with a suboptimal number
of regions. We should have an automated, reliable way to "reshape" or "balance" a table's
region boundaries. This would be for tables that contain existing data. This might look like:
> {noformat}
> Admin#reshapeTable(TableName, int numSplits);
> {noformat}
> or from the shell:
> {noformat}
> > reshape TABLE, numSplits
> {noformat}



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