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https://issues.apache.org/jira/browse/MAPREDUCE-722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12730105#action_12730105
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Hudson commented on MAPREDUCE-722:
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Integrated in Hadoop-Mapreduce-trunk #20 (See
[http://hudson.zones.apache.org/hudson/job/Hadoop-Mapreduce-trunk/20/])
> More slots are getting reserved for HiRAM job tasks then required
> -----------------------------------------------------------------
>
> 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
> Assignee: Vinod K V
> Fix For: 0.21.0
>
> Attachments: MAPREDUCE-722.1.txt, MAPREDUCE-722.txt
>
>
> 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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