Galera Cluster is the most used high availability solution for OpenStack components and datastore for the third year in the row according to recent OpenStack survey. Since last year the deployments of all Galera Cluster have increased 5 points. 39% of the OpenStack users report that they use Galera Cluster in production. The number includes MariaDB Galera Cluster, Galera Cluster for MySQL and Percona XtraDB Cluster. MariaDB Galera Cluster ranks now number one database solution before MariaDB, MySQL and MongoDB.