Stress submission policy does not always stress the cluster.
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Key: MAPREDUCE-1687
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1687
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: contrib/gridmix
Reporter: Hong Tang
Currently, the rough idea of stress submission policy is to continue submitting
jobs until the pending map tasks reach 2x of the cluster capacity. This proves
to be inadequate and we saw a large job could monopolize the whole cluster.
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