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From "Jean-Marc Spaggiari (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7846) Add support for merging implicit regions in Merge tool
Date Mon, 18 Feb 2013 22:07:12 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Marc Spaggiari updated HBASE-7846:
---------------------------------------

    Status: Open  (was: Patch Available)
    
> Add support for merging implicit regions in Merge tool
> ------------------------------------------------------
>
>                 Key: HBASE-7846
>                 URL: https://issues.apache.org/jira/browse/HBASE-7846
>             Project: HBase
>          Issue Type: Improvement
>          Components: util
>            Reporter: Kaufman Ng
>            Assignee: Jean-Marc Spaggiari
>            Priority: Minor
>         Attachments: HBASE-7846-v0-trunk.patch, HBASE-7846-v1-trunk.patch
>
>
> Currently org.apache.hadoop.hbase.util.Merge needs 2 region names to be explicitly specified
to perform a merge.  This can be cumbersome.
> One idea for improvement is to have Merge to figure out all the adjacent regions and
perform the merges.  
> For example:
> regions before merge: row-10, row-20, row-30, row-40, row-50
> regions after merge: row-10, row-30, row-50
> In the above example, region names of "row-10" and "row-20" are merged to become a new
bigger region of "row-10".

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