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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5961) DataNode should understand generic hadoop options
Date Fri, 05 Jun 2009 03:05:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12716483#action_12716483

Hadoop QA commented on HADOOP-5961:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 781816.

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

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

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

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

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

    +1 Eclipse classpath. The patch retains Eclipse classpath integrity.

    +1 release audit.  The applied patch does not increase the total number of release audit

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/464/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/464/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/464/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/464/console

This message is automatically generated.

> DataNode should understand generic hadoop options
> -------------------------------------------------
>                 Key: HADOOP-5961
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5961
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Raghu Angadi
>            Assignee: Raghu Angadi
>         Attachments: HADOOP-5961.patch, HADOOP-5961.patch, run-datanode.sh, run-datanode.sh
> DataNode should use ToolRunner to parse generic hadoop options (like -Dconfig.var=value).
Apart from being more consistent with rest of the hadoop programs, this is necessary to write
a simple script to run multiple datanodes on the same node.
> I had proposed a simple shell script to running multiple datanodes on a the user mailing
list http://www.nabble.com/Contributing-to-hadoop-td22198897.html, but it requires that DataNode
parses -D option.
> I will submit a patch and a shell script that works.

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