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https://issues.apache.org/jira/browse/HBASE-13999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell closed HBASE-13999.
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> Improve storefile split performance by creating daughter reference files
> concurrently
> -------------------------------------------------------------------------------------
>
> Key: HBASE-13999
> URL: https://issues.apache.org/jira/browse/HBASE-13999
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 0.98.12
> Reporter: Hari Krishna Dara
> Priority: Minor
> Labels: performance, split
>
> The fix for HBASE-13959 improves the concurrency of region split operation,
> and also identifies another optimization by extending the concurrency to the
> creation of individual reference files. This jira aims to do just that! Since
> creation of reference files take time in the order of 300 to 400ms, this has
> the potential of reducing the split time by as much in most common scenarios.
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