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From "Nick Dimiduk (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-10791) Add integration test to demonstrate performance improvement
Date Sat, 22 Mar 2014 00:36:44 GMT

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

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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