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https://issues.apache.org/jira/browse/YARN-2305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hong Zhiguo reassigned YARN-2305:
---------------------------------
Assignee: Hong Zhiguo
> 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
> Assignee: Hong Zhiguo
>
> 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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