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https://issues.apache.org/jira/browse/HBASE-3450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nicolas Spiegelberg resolved HBASE-3450.
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    Resolution: Duplicate

Duplicate of HBASE-3149

> Per-CF Flushes
> --------------
>
>                 Key: HBASE-3450
>                 URL: https://issues.apache.org/jira/browse/HBASE-3450
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver, wal
>    Affects Versions: 0.90.1, 0.92.0
>            Reporter: Nicolas Spiegelberg
>            Assignee: Nicolas Spiegelberg
>            Priority: Minor
>
> In cases where the load to all column families in a store is not evenly 
> distributed, having per-column family flushes will reduce network IO by 
> helping the compaction algorithm minimize its need for unconditional 
> selection.  This issue is about refactoring the flush algorithm to move from 
> HRegion granularity to Store.

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