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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1808) Have a configurable metric reporting CPU/disk usage per user
Date Fri, 21 May 2010 16:45:20 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12870044#action_12870044
] 

Hadoop QA commented on MAPREDUCE-1808:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12444513/HADOOP-6755.patch
  against trunk revision 946955.

    +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 new tests are needed for this patch.
                        Also please list what manual steps were performed to verify 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 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 passed core unit tests.

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

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/200/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/200/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/200/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/200/console

This message is automatically generated.

> Have a configurable metric reporting CPU/disk usage per user
> ------------------------------------------------------------
>
>                 Key: MAPREDUCE-1808
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1808
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: tasktracker
>            Reporter: Alex Kozlov
>            Assignee: Alex Kozlov
>         Attachments: HADOOP-6755.patch
>
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> Many organizations are looking at resource usage per department/group/user for diagnostic
and resource allocation purposes.  It should be straightforward to implement a metric showing
the simple resource usage like CPU time and disk I/O per user and aggregate them using Ganglia.
> Eventually, we can create an API for pluggable metrics (there is one for Jobtracker and
Tasktracker).
> Let me know your thoughts.
> Alex K

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