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https://issues.apache.org/jira/browse/HADOOP-3925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu resolved HADOOP-3925.
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Resolution: Duplicate
Fixed by HADOOP-4018
> Configuration paramater to set the maximum number of mappers/reducers for a
> job
> -------------------------------------------------------------------------------
>
> Key: HADOOP-3925
> URL: https://issues.apache.org/jira/browse/HADOOP-3925
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Reporter: dhruba borthakur
>
> The JobTracker can be prone to a denial-of-service attack if a user submits a
> job that has a very large number of tasks. This has happened once in our
> cluster. It would be nice to have a configuration setting that limits the
> maximum tasks that a single job can have.
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