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From "Keith Turner (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-452) Generalize locality groups
Date Thu, 08 Mar 2012 03:33:05 GMT
Generalize locality groups
--------------------------

                 Key: ACCUMULO-452
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-452
             Project: Accumulo
          Issue Type: New Feature
            Reporter: Keith Turner
             Fix For: 1.5.0


Locality groups are a neat feature, but there is no reason to limit partitioning to column
families.  Data could be partitioned based on any criteria.  For example if a user is interested
in querying recent data and ageing off old data partitioning locality groups based in timestamp
would be useful.  This could be accomplished by letting users specify a partitioner plugin
that is used at compaction and scan time.  Scans would need an ability to pass options to
the partitioner.



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