Fail early if the configured values for total number of tasks is greater than
'mapreduce.jobtracker.maxtasks.perjob'
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Key: MAPREDUCE-1588
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1588
Project: Hadoop Map/Reduce
Issue Type: Improvement
Reporter: Amar Kamat
If a job is configured with *high* value for num-map and num-reduce tasks, then
the JobTracker should fail early i.e during job submission.
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