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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2137) Mapping between Gridmix jobs and the corresponding original MR jobs is needed
Date Fri, 27 May 2011 04:18:47 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13040049#comment-13040049

Ravi Gummadi commented on MAPREDUCE-2137:

TestMRCLI failure is a known issue and is not related to this patch.
findbugs warnings shown are also not related to this patch.

I will commit this patch now.

> Mapping between Gridmix jobs and the corresponding original MR jobs is needed
> -----------------------------------------------------------------------------
>                 Key: MAPREDUCE-2137
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2137
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/gridmix
>    Affects Versions: 0.23.0
>            Reporter: Ravi Gummadi
>            Assignee: Ravi Gummadi
>             Fix For: 0.23.0
>         Attachments: 2137.patch, 2137.v1.patch, 2137.v2.1.patch
> Consider a trace file "trace1" obtained by running Rumen on a set of MR jobs' history
logs. When gridmix runs simulated jobs from "trace1", it may skip some of the jobs from the
trace file for some reason like out-of-order-jobs. Now use Rumen to generate trace2 from the
history logs of gridmix's simulated jobs.
> Now, to compare and analyze the gridmix's simulated jobs with original MR jobs, we need
a mapping between them.

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