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Posted to mapreduce-issues@hadoop.apache.org by "Harsh J Chouraria (JIRA)" <ji...@apache.org> on 2011/01/05 18:20:49 UTC
[jira] Commented: (MAPREDUCE-2170) Send out last-minute load
averages in TaskTrackerStatus
[ https://issues.apache.org/jira/browse/MAPREDUCE-2170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12977858#action_12977858 ]
Harsh J Chouraria commented on MAPREDUCE-2170:
----------------------------------------------
Running 'ant test-patch' passes here.
{code}
[exec] +1 overall.
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[exec] +1 @author. The patch does not contain any @author tags.
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[exec] +1 tests included. The patch appears to include 6 new or modified tests.
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[exec] +1 javadoc. The javadoc tool did not generate any warning messages.
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[exec] +1 javac. The applied patch does not increase the total number of javac compiler warnings.
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[exec] +1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9) warnings.
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[exec] +1 release audit. The applied patch does not increase the total number of release audit warnings.
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[exec] +1 system test framework. The patch passed system test framework compile.
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[exec]
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[exec] ======================================================================
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[exec] Finished build.
[exec] ======================================================================
[exec] ======================================================================
[exec]
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BUILD SUCCESSFUL
Total time: 31 minutes 51 seconds
{code}
> Send out last-minute load averages in TaskTrackerStatus
> -------------------------------------------------------
>
> Key: MAPREDUCE-2170
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2170
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobtracker
> Affects Versions: 0.22.0
> Environment: GNU/Linux
> Reporter: Harsh J Chouraria
> Assignee: Harsh J Chouraria
> Priority: Minor
> Fix For: 0.22.0
>
> Attachments: mapreduce.loadaverage.r3.diff, mapreduce.loadaverage.r4.diff, mapreduce.loadaverage.r5.diff
>
> Original Estimate: 0.33h
> Remaining Estimate: 0.33h
>
> Load averages could be useful in scheduling. This patch looks to extend the existing Linux resource plugin (via /proc/loadavg file) to allow transmitting load averages of the last one minute via the TaskTrackerStatus.
> Patch is up for review, with test cases added, at: https://reviews.apache.org/r/20/
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