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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-2170) Send out last-minute load averages in TaskTrackerStatus
Date Wed, 17 Nov 2010 17:44:15 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated MAPREDUCE-2170:
-------------------------------------

    Status: Patch Available  (was: Open)

+1 the patch looks good.

Marking it 'PA" on Harsh's behalf... I'll commit once we get an 'ok' from Hudson.

> 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
>
>   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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