Resource Reservation

edit file /var/lib/dcos/mesos-resources and I put this information:

MESOS_DEFAULT_ROLE='testrole' next I restarted Slaves:

sudo systemctl stop dcos-mesos-slave
sudo rm -f /var/lib/mesos/slave/meta/slaves/latest
sudo systemctl start dcos-mesos-slave

Understanding Resources

https://dcos.io/docs/1.8/usage/tutorials/dcos-101/resources/