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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10791) Add integration test to demonstrate performance improvement
Date Sat, 22 Mar 2014 21:12:43 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13944239#comment-13944239
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Enis Soztutar commented on HBASE-10791:
---------------------------------------

One thing to consider is to look at how many more RPC's are caused by the backup requests.
If you are running with the default 10ms secondary rpc delay, and the average latency is around
that, it would increase the request count a lot. 
I can also spend some time inspecting what is going on. 

> Add integration test to demonstrate performance improvement
> -----------------------------------------------------------
>
>                 Key: HBASE-10791
>                 URL: https://issues.apache.org/jira/browse/HBASE-10791
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Performance, test
>    Affects Versions: hbase-10070
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>         Attachments: HBASE-10791.00.patch, HBASE-10791.01.patch, HBASE-10791.02.patch,
HBASE-10791.03.patch, HBASE-10791.04.patch, IntegrationTestRegionReplicaPerf.out
>
>
> It would be good to demonstrate that use of region replicas reduces read latency. PerformanceEvaluation
can be used manually for this purpose, but it's not able to use ChaosMonkey. An integration
test can set up the monkey actions and automate execution.



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