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An article based on Dmitriy's articles, covering three ways to scale OpenStack using MariaDB and RabbitMQ. Link to original articles: 1. https://superuser.openinfra.org/articles/scaling-openstack-ansible-deployment-rabbitmq-and-mariadb-option-one/ 2. https://superuser.openinfra.org/articles/scaling-openstack-ansible-deployment-rabbitmq-and-mariadb-option-two/ 3. https://superuser.openinfra.org/articles/scaling-openstack-ansible-deployment-rabbitmq-and-mariadb-option-three/ Co-authored-by: Dmitriy Rabotyagov <noonedeadpunk@gmail.com> Change-Id: I26faa7e1513ce81c17282c84c931f0ec619cabb3
