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https://issues.apache.org/jira/browse/HBASE-1576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell updated HBASE-1576:
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    Status: Patch Available  (was: Open)

> TIF needs to be able to set scanner caching size for smaller row tables & 
> performance
> -------------------------------------------------------------------------------------
>
>                 Key: HBASE-1576
>                 URL: https://issues.apache.org/jira/browse/HBASE-1576
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.20.0
>            Reporter: ryan rawson
>            Assignee: Andrew Purtell
>            Priority: Critical
>             Fix For: 0.20.0
>
>         Attachments: HBASE-1576.patch
>
>
> TIF goes with the default scanner caching size (1).  When each row is 
> processed very fast and is small, this limits the overall performance.  By 
> setting a higher scanner caching level you can achieve 100x+ the performance 
> with the exact same map-reduce and table.

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