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From "Amar Kamat (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3787) [Gridmix] Improve STRESS mode
Date Thu, 02 Feb 2012 06:23:53 GMT
[Gridmix] Improve STRESS mode
-----------------------------

                 Key: MAPREDUCE-3787
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3787
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: contrib/gridmix
    Affects Versions: 0.24.0
            Reporter: Amar Kamat
            Assignee: Amar Kamat
             Fix For: 0.23.1, 0.24.0


Gridmix STRESS mode can be improved as follows:
1. The sleep time in JobMonitor can be reduced and/or made configurable
2. Map and reduce load calculation in StressJobFactory can be done in one loop
3. Updating the overload status from the job submitter thread (inline)
4. Optimizations to avoid un-necessary progress check (which inturn would result into delay)

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