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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-13999) Improve storefile split performance by creating daughter reference files concurrently
Date Fri, 14 Aug 2015 23:51:46 GMT

     [ https://issues.apache.org/jira/browse/HBASE-13999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-13999:
--------------------------
    Labels: performance split  (was: )

> 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
>            Assignee: 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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