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From "Jimmy Xiang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7519) Support level compaction
Date Wed, 09 Jan 2013 01:19:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13547508#comment-13547508
] 

Jimmy Xiang commented on HBASE-7519:
------------------------------------

Yes, it relates to HBASE-7055.  We need to support pluggable compaction policy/algorithm (HBASE-7516)
so that we can play with each one and choose the right one per the load.

It will be even great if we can dynamically tune/choose a proper one.
                
> 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
>
>
> 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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