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From "Hong Tang (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1687) Stress submission policy does not always stress the cluster.
Date Fri, 09 Apr 2010 07:25:50 GMT
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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