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From shashank734 <shashank...@gmail.com>
Subject Re: Fw: 1.4.2 - Unable to start YARN containers with more than 1 vCores per Task Manager
Date Tue, 03 Apr 2018 14:11:07 GMT
CHeck in your Yarn configuration, Are you using DeafaultResourceCalculater
which only uses memory while allocating resources. So you have to change it
to DominantResourceCalculator.

<property>
    <name>yarn.scheduler.capacity.resource-calculator</name>
   
<value>org.apache.hadoop.yarn.util.resource.DominantResourceCalculator</value>
</property>



Check this:

https://hortonworks.com/blog/managing-cpu-resources-in-your-hadoop-yarn-clusters/



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