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https://issues.apache.org/jira/browse/HBASE-5461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13214838#comment-13214838
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Nicolas Spiegelberg commented on HBASE-5461:
--------------------------------------------

bq. I wonder if a good default would be some fraction of the flushsize. Maybe 
1/4*flushsize, or something.

Note that we raised the min size so that we'd aggressively compact the .META. 
table, which is normally pretty small.
                
> Set hbase.hstore.compaction.min.size way down to 4MB
> ----------------------------------------------------
>
>                 Key: HBASE-5461
>                 URL: https://issues.apache.org/jira/browse/HBASE-5461
>             Project: HBase
>          Issue Type: Task
>    Affects Versions: 0.92.1
>            Reporter: stack
>            Priority: Critical
>
> See discussion over in HBASE-3149.  Nicolas suggests setting this setting way 
> down, to the below:
> {code}
> <property>
>    <name>hbase.hstore.compaction.min.size</name>
>    <value>4194304</value>
>    <description>
>      The "minimum" compaction size. All files below this size are always
>      included into a compaction, even if outside compaction ratio times
>      the total size of all files added to compaction so far.
>    </description>
>   </property>
> {code}
> Lets try it.

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