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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2107) Emulate Memory Usage of Tasks in GridMix3
Date Wed, 15 Jun 2011 11:04:49 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amar Kamat updated MAPREDUCE-2107:
----------------------------------

    Attachment: gridmix-memory-emulation-v1.5.patch

Attaching a patch the adds total-heap-usage emulation to Gridmix. The goal is to do a very
basic heap usage emulation and using this tool to exert some sort of memory load on the simulated
task's JVM. This patch also sets the simulated task's heap options extracted from the original
job obtained via Rumen. 

test-patch and gridmix junit tests passed.

> Emulate Memory Usage of Tasks in GridMix3
> -----------------------------------------
>
>                 Key: MAPREDUCE-2107
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2107
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/gridmix
>    Affects Versions: 0.22.0
>            Reporter: Ranjit Mathew
>            Assignee: Ravi Gummadi
>         Attachments: gridmix-memory-emulation-v1.5.patch
>
>
> MAPREDUCE-220 makes CPU/Memory usage of Tasks available in JobHistory files. Use this
> to emulate the memory usage of Tasks (of course, once MAPREDUCE-2104 is done).

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