YARN Resource Management
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Enabling Capacity Scheduler

To enable the Capacity Scheduler, set the following property in the /etc/hadoop/conf/yarn-site.xml file on the ResourceManager host:


The settings for the Capacity Scheduler are contained in the /etc/hadoop/conf/capacity-scheduler.xml file on the ResourceManager host. The Capacity Scheduler reads this file when starting, and also when an administrator modifies the capacity- scheduler.xml file and then reloads the settings by running the following command:

yarn rmadmin -refreshQueues

This command can only be run by cluster administrators. Administrator privileges are configured with the yarn.admin.acl property on the ResourceManager.