J.Andreina created YARN-2305:
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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:
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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
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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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