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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (MAPREDUCE-2519) Progress reported by a reduce task executed via LocalJobRunner is incorrect
Date Fri, 20 May 2011 04:42:52 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amar Kamat reassigned MAPREDUCE-2519:
-------------------------------------

    Assignee: Amar Kamat

> Progress reported by a reduce task executed via LocalJobRunner is incorrect
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2519
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2519
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.23.0
>            Reporter: Amar Kamat
>            Assignee: Amar Kamat
>              Labels: localjobrunner, progress, reduce
>
> ReduceTask splits its progress reporting into 3 phases
> 1. Copy
> 2. Shuffule
> 3. Reduce
> When the reduce task is run using a LocalJobRunner, the copy phase is ignored (skipped)
but the progress is not updated. This results in a mismatch in the Reduce task's progress.

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