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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-2104) Rumen TraceBuilder Does Not Emit CPU/Memory Usage Details in Traces
Date Wed, 13 Oct 2010 12:10:36 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amar Kamat updated MAPREDUCE-2104:
----------------------------------

    Attachment: mapreduce-2104-v1.1.patch

Attaching a patch that extracts CPU/Memory usage information from task counters and adds it
to the trace file generated by Rumen. _test-patch_ and _ant tests_ (except {{TestSequenceFileInputFormat}})
passed on my box.

> Rumen TraceBuilder Does Not Emit CPU/Memory Usage Details in Traces
> -------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2104
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2104
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tools/rumen
>    Affects Versions: 0.22.0
>            Reporter: Ranjit Mathew
>            Assignee: Amar Kamat
>         Attachments: mapreduce-2104-v1.1.patch
>
>
> Via MAPREDUCE-220, we now have CPU/Memory usage information in MapReduce JobHistory files.
However, Rumen's TraceBuilder
> does not emit this information in the JSON traces. Without this information, GridMix3
cannot emulate CPU/Memory usage correctly.

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