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https://issues.apache.org/jira/browse/HADOOP-3270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12590821#action_12590821
 ] 

Hadoop QA commented on HADOOP-3270:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12380583/3270_20080420.patch
against trunk revision 645773.

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

    tests included +1.  The patch appears to include 3 new or modified tests.

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

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

    release audit +1.  The applied patch does not generate any new release 
audit 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 passed contrib unit tests.

Test results: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2287/testReport/
Findbugs warnings: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2287/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2287/artifact/trunk/build/test/checkstyle-errors.html
Console output: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2287/console

This message is automatically generated.

> Constant DatanodeCommand should be stored in static fianl immutable variables.
> ------------------------------------------------------------------------------
>
>                 Key: HADOOP-3270
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3270
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Minor
>         Attachments: 3270_20080417.patch, 3270_20080418.patch, 
> 3270_20080420.patch
>
>
> DatanodeCommand like DNA_REGISTER, DNA_BLOCKREPORT and DNA_FINALIZE are 
> constant command.  New objects should not be created for each time when using 
> these commands.

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