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Posted to issues@hbase.apache.org by "Jean-Marc Spaggiari (JIRA)" <ji...@apache.org> on 2013/02/18 14:29:13 UTC
[jira] [Updated] (HBASE-7846) Add support for merging implicit
regions in Merge tool
[ https://issues.apache.org/jira/browse/HBASE-7846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jean-Marc Spaggiari updated HBASE-7846:
---------------------------------------
Attachment: HBASE-7846-v0-trunk.patch
> 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
>
>
> 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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