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https://issues.apache.org/jira/browse/HBASE-5334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13439860#comment-13439860
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Nicolas Spiegelberg commented on HBASE-5334:
--------------------------------------------

@Ian: correct.  HBASE-6427 seems to relate to compaction behavior / 
transformations.  HBASE-6428 seems to be a duplicate of this task?  I think 
this abstraction is complimentary to coprocessors.  With a coprocessor, you 
want to inject app-specific logic into the core.  With this abstraction, we're 
basically saying that their are a handful of generic strategies, not 
app-specific, that we should provide to the user.
                
> Pluggable Compaction Algorithms
> -------------------------------
>
>                 Key: HBASE-5334
>                 URL: https://issues.apache.org/jira/browse/HBASE-5334
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Nicolas Spiegelberg
>            Assignee: Akashnil
>            Priority: Minor
>              Labels: compaction, regionserver
>
> It would be good to create a set of common compaction algorithms so that we 
> can tune this on a per-CF basis.  In order to accomplish this, we need to 
> refactor the current algorithm for plugability.

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