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https://issues.apache.org/jira/browse/HBASE-7519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13557546#comment-13557546
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Enis Soztutar commented on HBASE-7519:
--------------------------------------

It seems like most of the Store, not just compaction, should become pluggable, 
because of the scanner changes as Sergey mentions in the notes. 
                
> Support level compaction
> ------------------------
>
>                 Key: HBASE-7519
>                 URL: https://issues.apache.org/jira/browse/HBASE-7519
>             Project: HBase
>          Issue Type: New Feature
>          Components: Compaction
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>         Attachments: level-compaction.pdf, level-compactions-notes.txt, 
> level-compactions-notes.txt
>
>
> The level compaction algorithm may help HBase for some use cases, for 
> example, read heavy loads (especially, just one version is used), relative 
> small key space updated frequently.

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