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https://issues.apache.org/jira/browse/HBASE-10791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Dimiduk updated HBASE-10791:
---------------------------------

    Attachment: IntegrationTestRegionReplicaPerf.out
                HBASE-10791.03.patch

Patch v3, this one works as described. The following local cluster settings 
were necessary

{noformat}
  <property>
    <name>hbase.it.clustermanager.ssh.opts</name>
    <value>-o StrictHostKeyChecking=no</value>
  </property>
  <property>
    <name>hbase.it.clustermanager.ssh.cmd</name>
    <value>/usr/bin/ssh %1$s %2$s%3$s%4$s "sudo su - hbase -c \"%5$s\""</value>
  </property>
  <property>
    <name>hbase.master.loadbalancer.class</name>
    
<value>org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer</value>
  </property>
  <property>
    <name>hbase.regionserver.storefile.refresh.period</name>
    <value>30000</value>
    <!-- default hbase.master.cleaner.interval=60000 -->
  </property>
{noformat}

For my next trick, I'll work out why the final assertion proves the assumption 
false.

> 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, 
> 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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