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Posted to mapreduce-dev@hadoop.apache.org by "Sergey Tryuber (Created) (JIRA)" <ji...@apache.org> on 2012/02/14 10:03:59 UTC

[jira] [Created] (MAPREDUCE-3859) CapacityScheduler incorrectly utilizes extra-resources of queue for high-memory jobs

CapacityScheduler incorrectly utilizes extra-resources of queue for high-memory jobs
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                 Key: MAPREDUCE-3859
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3859
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: contrib/capacity-sched
         Environment: CDH3u1
            Reporter: Sergey Tryuber


Imagine, we have a queue A with capacity 10 slots and 20 as extra-capacity, jobs which use 3 map slots will never consume more than 9 slots, regardless how many free slots on a cluster.

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