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Posted to dev@accumulo.apache.org by "Keith Turner (Commented) (JIRA)" <ji...@apache.org> on 2012/03/08 04:35:00 UTC
[jira] [Commented] (ACCUMULO-452) Generalize locality groups
[ https://issues.apache.org/jira/browse/ACCUMULO-452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13224973#comment-13224973 ]
Keith Turner commented on ACCUMULO-452:
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I will put together an initial design document and post it for review.
> 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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