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Posted to issues@hbase.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2013/05/14 02:21:18 UTC

[jira] [Resolved] (HBASE-6428) Pluggable Compaction policies

     [ https://issues.apache.org/jira/browse/HBASE-6428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Hofhansl resolved HBASE-6428.
----------------------------------

    Resolution: Implemented

Turns out this is already done in trunk. Closing.
                
> Pluggable Compaction policies
> -----------------------------
>
>                 Key: HBASE-6428
>                 URL: https://issues.apache.org/jira/browse/HBASE-6428
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Lars Hofhansl
>
> For some usecases is useful to allow more control over how KVs get compacted.
> For example one could envision storing old versions of a KV separate HFiles, which then rarely have to be touched/cached by queries querying for new data.
> In addition these date ranged HFile can be easily used for backups while maintaining historical data.
> This would be a major change, allowing compactions to provide multiple targets (not just a filter).

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