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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10007) PerformanceEvaluation: Add sampling and latency collection to randomRead test
Date Wed, 20 Nov 2013 23:33:36 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13828291#comment-13828291
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Andrew Purtell commented on HBASE-10007:
----------------------------------------

Skimmed the trunk patch, +1

> PerformanceEvaluation: Add sampling and latency collection to randomRead test
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-10007
>                 URL: https://issues.apache.org/jira/browse/HBASE-10007
>             Project: HBase
>          Issue Type: Improvement
>          Components: Performance, test
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>            Priority: Minor
>             Fix For: 0.98.0, 0.96.1, 0.94.15
>
>         Attachments: HBASE-10007-0.94.00.patch, HBASE-10007-0.96.00.patch, HBASE-10007-0.96.01.patch,
HBASE-10007-0.96.02.patch, HBASE-10007.00.patch, HBASE-10007.01.patch
>
>
> As I mentioned over on HBASE-9940, I'd like to have randomRead operate only on a sample
of the total dataset. It would also be useful to collect latency measurements from individual
responses. Throughput times are aggregated according to the amount of user data processed
and the result is reported as well. This is a patch I've been using for some performance tests
I've run -- maybe it'll be useful to someone else.



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