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Posted to issues@hbase.apache.org by "Nicolas Spiegelberg (Commented) (JIRA)" <ji...@apache.org> on 2012/02/23 17:32:48 UTC
[jira] [Commented] (HBASE-5461) Set
hbase.hstore.compaction.min.size way down to 4MB
[ https://issues.apache.org/jira/browse/HBASE-5461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13214838#comment-13214838 ]
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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