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https://issues.apache.org/jira/browse/MAPREDUCE-2170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J updated MAPREDUCE-2170:
-------------------------------
Environment: (was: GNU/Linux)
Tags: load average, tasktracker (was: load average, tasktracker,
linux)
(Changed env/tags to make it look non-linux-specific since it would work across
all platforms).
> 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: 0.23.0
>
> 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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