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Date: Mon, 1 Nov 2010 19:04:26 -0400 (EDT)
From: "Allen Wittenauer (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Commented: (MAPREDUCE-2170) Send out last-minute load
 averages in TaskTrackerStatus
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-2170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12927215#action_12927215 ] 

Allen Wittenauer commented on MAPREDUCE-2170:
---------------------------------------------

Why does it have to be in a plug-in?  Why can't it just be part of the TaskTracker in general?


> 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
>
>   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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