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From "Nick Dimiduk (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9953) PerformanceEvaluation: Decouple data size from client concurrency
Date Tue, 12 Nov 2013 03:20:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13819777#comment-13819777
] 

Nick Dimiduk commented on HBASE-9953:
-------------------------------------

Yes, my intention isn't to remove existing functionality, at least not right away. Let's prove
a new idea useful first.

> 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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