[Gridmix] Improve STRESS mode
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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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