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From "madhukara phatak (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3968) add support for getNumMapTasks() into mapreduce JobContext
Date Fri, 18 May 2012 14:35:07 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

madhukara phatak updated MAPREDUCE-3968:
----------------------------------------

    Attachment: MAPREDUCE-3968.patch

added new property. Doesn't need the test case since it just gives nicer interface for the
existing configuration property
                
> add support for getNumMapTasks() into mapreduce JobContext
> ----------------------------------------------------------
>
>                 Key: MAPREDUCE-3968
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3968
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv1
>    Affects Versions: trunk
>         Environment: hadoop 0.22
>            Reporter: Radim Kolar
>            Priority: Minor
>         Attachments: MAPREDUCE-3968.patch
>
>
> In old mapred api there was way to query number of mappers:
> job.getNumMapTasks())
> No such function exists in new mapreduce api

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