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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-453) XML-based metrics as JSP servlet for NameNode
Date Fri, 21 Aug 2009 07:00:15 GMT

    [ https://issues.apache.org/jira/browse/HDFS-453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12745831#action_12745831
] 

Hadoop QA commented on HDFS-453:
--------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12417201/HDFS-453.3.patch
  against trunk revision 805652.

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

    +1 tests included.  The patch appears to include 2 new or modified tests.

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

    -1 javac.  The applied patch generated 98 javac compiler warnings (more than the trunk's
current 95 warnings).

    -1 findbugs.  The patch appears to introduce 2 new Findbugs warnings.

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

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-vesta.apache.org/76/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-vesta.apache.org/76/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-vesta.apache.org/76/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-vesta.apache.org/76/console

This message is automatically generated.

>  XML-based metrics as JSP servlet for NameNode
> ----------------------------------------------
>
>                 Key: HDFS-453
>                 URL: https://issues.apache.org/jira/browse/HDFS-453
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: Aaron Kimball
>            Assignee: Aaron Kimball
>         Attachments: dfshealth.xml.jspx, example-dfshealth.xml, HDFS-453.2.patch, HDFS-453.3.patch,
HDFS-453.patch
>
>
> In HADOOP-4559, a general REST API for reporting metrics was proposed but work seems
to have stalled. In the interim, we have a simple XML translation of the existing NameNode
status page which provides the same metrics as the human-readable page. This is a relatively
lightweight addition to provide some machine-understandable metrics reporting.

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