percona-galera-3 3.21-0ubuntu1 (amd64 binary) in ubuntu bionic

 Galera is a fast synchronous multimaster wsrep provider (replication engine)
 for transactional databases and similar applications. For more information
 about wsrep API see http://launchpad.net/wsrep. For a description of Galera
 replication engine see http://galeracluster.com.
 .
 This package contains the Galera library/plugin for Percona XtraDB Cluster.