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From "Jean-Marc Spaggiari (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9953) PerformanceEvaluation: Decouple data size from client concurrency
Date Tue, 12 Nov 2013 03:08:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13819772#comment-13819772

Jean-Marc Spaggiari commented on HBASE-9953:

-1 for --size instead of --rows
+1 for --size in addition of --rows 


I think the 2 can (and need to) leave together so we can still easily compare previous release
to new release.

> PerformanceEvaluation: Decouple data size from client concurrency
> -----------------------------------------------------------------
>                 Key: HBASE-9953
>                 URL: https://issues.apache.org/jira/browse/HBASE-9953
>             Project: HBase
>          Issue Type: Test
>          Components: test
>            Reporter: Nick Dimiduk
>            Priority: Minor
> PerfEval tool provides a {{--rows=R}} for specifying the number of records to work with
and requires the user provide a value of N, used as the concurrency level. From what I can
tell, every concurrent process will interact with R rows. In order to perform an apples-to-apples
test, the user must re-calculate the value R for every new value of N.
> Instead, I propose accepting a {{--size=S}} for the amount of data to interact with and
let PerfEval divide that amongst the N clients on the user's behalf.

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