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https://issues.apache.org/jira/browse/HADOOP-2519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12555770#action_12555770
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Hadoop QA commented on HADOOP-2519:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12372471/customrpc.patch
against trunk revision .

    @author +1.  The patch does not contain any @author tags.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new compiler warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests -1.  The patch failed contrib unit tests.

Test results: 
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1458/testReport/
Findbugs warnings: 
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1458/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: 
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1458/artifact/trunk/build/test/checkstyle-errors.html
Console output: 
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1458/console

This message is automatically generated.

> [hbase] Performance improvements: Customized RPC serialization
> --------------------------------------------------------------
>
>                 Key: HADOOP-2519
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2519
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: contrib/hbase
>            Reporter: stack
>            Priority: Minor
>             Fix For: 0.16.0
>
>         Attachments: customrpc.patch
>
>
> A custom RPC that passes codes representing class names instead of 
> class-as-String saves passing plus encoding/decoding classname Strings; it 
> makes the PerformanceEvaluation sequentialWrites test almost 3 times faster 
> and random reads > 30% faster.

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