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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2106) Emulate CPU Usage of Tasks in GridMix3
Date Mon, 13 Jun 2011 18:36:51 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amar Kamat updated MAPREDUCE-2106:
----------------------------------

    Attachment: gridmix-cpu-emulation-v1.18-2.patch

Attaching a new patch. Changes are as follows
1. Cpu usage emulation is weighed 
2. Added inline match calls 
3. Added status reporting to avoid task kills due to lack of status updates
4. Modified the test case to cover more testcase scenarios.

test-patch and gridmix tests passed on my box. 

Note: This patch is generated for http://svn.apache.org/repos/asf/hadoop/common/trunk/mapreduce.

> Emulate CPU Usage of Tasks in GridMix3
> --------------------------------------
>
>                 Key: MAPREDUCE-2106
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2106
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/gridmix
>    Affects Versions: 0.22.0
>            Reporter: Ranjit Mathew
>            Assignee: Amar Kamat
>             Fix For: 0.23.0
>
>         Attachments: gridmix-cpu-emulation-v1.16-1.patch, gridmix-cpu-emulation-v1.18-2.patch
>
>
> MAPREDUCE-220 makes CPU/Memory usage of Tasks available in JobHistory files. Use this
> to emulate the CPU usage of Tasks (of course, once MAPREDUCE-2104 is done).

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