Galera Cluster Support in MariaDB Server MariaDB Galera Cluster is powered by: MariaDB Server. The MySQL-wsrep patch for MySQL Server and MariaDB Server developed by Codership. The patch currently supports only Unix-like operating systems. The Galera wsrep provider library. In MariaDB 10.1 and later, the MySQL-wsrep patch has been merged into MariaDB Server. This means that the functionality of Ma