More slots are getting reserved for HiRAM job tasks then required
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Key: MAPREDUCE-722
URL: https://issues.apache.org/jira/browse/MAPREDUCE-722
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: contrib/capacity-sched
Environment: Cluster MR capacity=248/248 Map slot size=1500 mb and
reduce slot size=2048 mb. Total number of nodes=124
4 queues each having Capacity=25% User Limit=100%.
Reporter: Karam Singh
Submitted a normal job with map=124=reduces
After submitted High RAM with maps=31=reduces map.memory=1800 reduce.memory=2800
Again 3 job maps=124=reduces
total of 248 slots were reserved for both maps and reduces for High Job which
much higher then required.
Is observed in Hadoop 0.20.0
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