[jira] [Created] (YARN-2305) When a container is in reserved state then total cluster memory is displayed wrongly.

["J.Andreina (JIRA)" <ji...@apache.org>]

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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