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https://issues.apache.org/jira/browse/MAPREDUCE-2170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13176041#comment-13176041
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Harsh J commented on MAPREDUCE-2170:
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I took a look at NodeManager parts, and it appears that the plugin is only used 
for resource view use? How does the resource plugin come into play when it 
comes to the resource-based scheduler?
                
> 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: New Feature
>          Components: jobtracker
>    Affects Versions: 0.22.0
>            Reporter: Harsh J
>            Assignee: Harsh J
>            Priority: Critical
>             Fix For: 0.24.0
>
>         Attachments: mapreduce.loadaverage.r3.diff, 
> mapreduce.loadaverage.r4.diff, mapreduce.loadaverage.r5.diff, 
> mapreduce.loadaverage.r6.diff
>
>   Original Estimate: 20m
>  Remaining Estimate: 20m
>
> 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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