In order to handle increasing load and especially when that load exceeds what a single server can process, it is best practice to deploy multiple MariaDB Servers with a replication solution to maintain data consistency between them. MariaDB Enterprise Cluster and MariaDB Galera Cluster are both based on Galera Cluster, which is multi-primary replication solution that serves as an alternative to the single-primary MariaDB Replication.
MariaDB Enterprise Cluster combines MariaDB Enterprise Server with an enhanced version of Galera Cluster.
MariaDB Galera Cluster combines MariaDB Community Server with Galera Cluster.
Getting Started with Galera Cluster
Deploying Galera Cluster
Operating Galera Cluster