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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1635) PerformanceEvaluation should use scanner prefetching
Date Thu, 09 Jul 2009 17:57:15 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12729352#action_12729352
] 

Jonathan Gray commented on HBASE-1635:
--------------------------------------

Though extraordinarily complex, I trust that you have done the right thing.

+1 for commit

> PerformanceEvaluation should use scanner prefetching
> ----------------------------------------------------
>
>                 Key: HBASE-1635
>                 URL: https://issues.apache.org/jira/browse/HBASE-1635
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.0
>            Reporter: Jonathan Gray
>             Fix For: 0.20.0
>
>         Attachments: 1635.patch
>
>
> Right now default scanner prefetching is set to 1.  In PerformanceEvaluation, this leads
to basically benchmarking RPC round-trip performance.

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