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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2725) Make Gridmix configure job specific config properties for the simulated jobs
Date Mon, 25 Jul 2011 10:55:09 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ravi Gummadi updated MAPREDUCE-2725:
------------------------------------

    Attachment: MR2725.patch

Here is a patch that sets all the important job-specific configuration properties for simulated
jobs. These properties include io.sort.mb, io.sort.factor.

> Make Gridmix configure job specific config properties for the simulated jobs
> ----------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2725
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2725
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/gridmix
>            Reporter: Ravi Gummadi
>            Assignee: Ravi Gummadi
>         Attachments: MR2725.patch
>
>
> As Rumen gets all the config properties into the trace file now(after MAPREDUCE-2153),
Gridmix can set some of the important job-specific config properties obtained from trace to
the simulated jobs. This imply that with same amount of input/output data for mapTask/reduceTask,
the behavior of different other things like number of spills, sizes of spills, number of intermediate
merges, etc would be similar to those were seen in original job(s).

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