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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-6629) Cluster used capacity is > 100 when container reserved
Date Mon, 08 Feb 2016 05:02:40 GMT
Brahma Reddy Battula created MAPREDUCE-6629:

             Summary: Cluster used capacity is > 100 when container reserved 
                 Key: MAPREDUCE-6629
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6629
             Project: Hadoop Map/Reduce
          Issue Type: Bug
            Reporter: Brahma Reddy Battula
            Assignee: Brahma Reddy Battula


* Start cluster with Three NM's each having 8GB (cluster memory:24GB).
* Configure queues with elasticity and userlimitfactor=10.
* disable pre-emption.
* run two job with different priority in different queue at the same time
** yarn jar hadoop-mapreduce-examples-2.7.2.jar pi -Dyarn.app.priority=LOW -Dmapreduce.job.queuename=QueueA
-Dmapreduce.map.memory.mb=4096 -Dyarn.app.mapreduce.am.resource.mb=1536 -Dmapreduce.job.reduce.slowstart.completedmaps=1.0
10 1000000000000
** yarn jar hadoop-mapreduce-examples-2.7.2.jar pi -Dyarn.app.priority=HIGH -Dmapreduce.job.queuename=QueueB
-Dmapreduce.map.memory.mb=4096 -Dyarn.app.mapreduce.am.resource.mb=1536 3 1000000000000

* observe the cluster capacity which was used in RM web UI

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