Cassandra is a free and open-source distributed NoSQL database management system that stores metadata and supports storage of the metadata for replication services.

For test and development environments, you can skip this procedure and follow the instructions in Deploy Cassandra and RabbitMQ as Containers for Test and Development Environments to have Cassandra run in a Docker container instead.

The following is an example of the installation and configuration of a Cassandra server on a CentOS 7.x host.