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Posted to common-dev@hadoop.apache.org by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org> on 2008/11/20 09:00:45 UTC
[jira] Resolved: (HADOOP-3925) Configuration paramater to set the
maximum number of mappers/reducers for a job
[ https://issues.apache.org/jira/browse/HADOOP-3925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Amareshwari Sriramadasu resolved HADOOP-3925.
---------------------------------------------
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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