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https://issues.apache.org/jira/browse/MAPREDUCE-751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13156726#comment-13156726
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arunkumar commented on MAPREDUCE-751:
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Q1>Is there any way to create a new trace file from job history logs with
custom set of split locations ?
Q2> Can we create new trace files from existing trace files with new values for
the attributes like preferred locations ?
Q3> How can i add new attributes / fields (which are not in job history logs)
to the job or the tasks in the trace ? (or) Is there any way to generate trace
with extra fields ?
> Rumen: a tool to extract job characterization data from job tracker logs
> ------------------------------------------------------------------------
>
> Key: MAPREDUCE-751
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-751
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: tools/rumen
> Reporter: Dick King
> Assignee: Dick King
> Fix For: 0.21.0
>
> Attachments: 2009-08-19--1030.patch, 2009-08-26--1513-patch.patch,
> mapreduce-751--2009-07-23.patch, mapreduce-751-20090826.patch,
> mapreduce-751-20090826.patch
>
>
> We propose a new map/reduce component, rumen, which can be used to process
> job history logs to produce any or all of the following:
> * Retrospective info describing the statistical behavior of the
> amount of time it would have taken to launch a job into a certain
> percentage of the number of mapper slots in the log's cluster, given the
> load over the period covered by the log
> * Statistical info as to the runtimes and shuffle times, etc. of
> the tasks and jobs covered by the log
> * files describing detailed job trace information, and the
> network topology as inferred from the host locations and rack IDs that
> arise in the job tracker log. In addition to this facility, rumen
> includes readers for this information to return job and detailed task
> information to other tools.
> These other tools include a more advanced version of gridmix, and
> also includes mumak: see blocked issues.
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