Option to limit max tasks started per job/queue
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Key: HADOOP-5966
URL: https://issues.apache.org/jira/browse/HADOOP-5966
Project: Hadoop Core
Issue Type: New Feature
Components: contrib/capacity-sched
Reporter: Rajiv Chittajallu
For jobs which call external services, (eg: distcp, crawlers) user/admin should
be able to control max parallel tasks spawned. There should be a mechanism to
cap the capacity available for a queue/job.
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