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https://issues.apache.org/jira/browse/MAPREDUCE-306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved MAPREDUCE-306.
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Resolution: Fixed
Now that we have more experience, it is generally recognized that using all of
the map slots for a job is a terrible idea. Closing.
> job submission protocol should have a method for getting the "task capacity"
> of the cluster
> -------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-306
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-306
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Owen O'Malley
>
> It would help the InputFormats make informed decisions if the
> JobSubmissionProtocol had a method the returned the number of tasks that the
> cluster can run at once.
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