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Date: Wed, 6 Jan 2010 01:53:54 +0000 (UTC)
From: "Scott Chen (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Updated: (MAPREDUCE-1218) Collecting cpu and memory usage
 for TaskTrackers
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-1218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Scott Chen updated MAPREDUCE-1218:
----------------------------------

    Attachment: MAPREDUCE-1218-v4.patch

I have moved the CPU usage calculation and added the corresponding unit tests.

> Collecting cpu and memory usage for TaskTrackers
> ------------------------------------------------
>
>                 Key: MAPREDUCE-1218
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1218
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>    Affects Versions: 0.22.0
>         Environment: linux
>            Reporter: Scott Chen
>            Assignee: Scott Chen
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-1218-rename.sh, MAPREDUCE-1218-v2.patch, MAPREDUCE-1218-v3.patch, MAPREDUCE-1218-v4.patch, MAPREDUCE-1218.patch
>
>
> The information can be used for resource aware scheduling.
> Note that this is related to MAPREDUCE-220. There the per task resource information is collected.
> This one collects the per machine information.

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