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Date: Sat, 20 Nov 2010 00:30:14 -0500 (EST)
From: "Harsh J Chouraria (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Updated: (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:all-tabpanel ]

Harsh J Chouraria updated MAPREDUCE-2170:
-----------------------------------------

    Attachment: mapreduce.loadaverage.r4.diff

Updating patch to fix a findbugs BX warning on ResourceCalculatorPlugin:46

> 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
>
>   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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