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From "J.Andreina (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2305) When a container is in reserved state then total cluster memory is displayed wrongly.
Date Thu, 17 Jul 2014 08:14:06 GMT
J.Andreina created YARN-2305:
--------------------------------

             Summary: When a container is in reserved state then total cluster memory is displayed
wrongly.
                 Key: YARN-2305
                 URL: https://issues.apache.org/jira/browse/YARN-2305
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.4.1
            Reporter: J.Andreina


ENV Details:
=========  
         3 queues  :  a(50%),b(25%),c(25%) ---> All max utilization is set to 100
         2 Node cluster with total memory as 16GB

TestSteps:
=========

          Execute following 3 jobs with different memory configurations for Map , reducer
and AM task

                  ./yarn jar wordcount-sleep.jar -Dmapreduce.job.queuename=a -Dwordcount.map.sleep.time=2000
-Dmapreduce.map.memory.mb=2048 -Dyarn.app.mapreduce.am.resource.mb=1024 -Dmapreduce.reduce.memory.mb=2048
/dir8 /preempt_85 (application_1405414066690_0023)

                 ./yarn jar wordcount-sleep.jar -Dmapreduce.job.queuename=b -Dwordcount.map.sleep.time=2000
-Dmapreduce.map.memory.mb=2048 -Dyarn.app.mapreduce.am.resource.mb=2048 -Dmapreduce.reduce.memory.mb=2048
/dir2 /preempt_86 (application_1405414066690_0025)
 
                 ./yarn jar wordcount-sleep.jar -Dmapreduce.job.queuename=c -Dwordcount.map.sleep.time=2000
-Dmapreduce.map.memory.mb=1024 -Dyarn.app.mapreduce.am.resource.mb=1024 -Dmapreduce.reduce.memory.mb=1024
/dir2 /preempt_62
Issue
=====
              when 2GB memory is in reserved state  totoal memory is shown as 15GB and used
as 15GB  ( while total memory is 16GB)
 



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