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Posted to mapreduce-issues@hadoop.apache.org by "Harsh J (JIRA)" <ji...@apache.org> on 2011/09/07 05:31:10 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=13098572#comment-13098572 ]
Harsh J commented on MAPREDUCE-2170:
------------------------------------
If there's still interest for this, I can update it up for the hadoop-yarn framework (ContainersMonitor).
> 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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