More and more Enterprises are relying on Apache Kafka to run their businesses. Cluster administrators need the ability to mirror data between clusters to provide high availability and disaster recovery. MirrorMaker 2, released recently as part of Kafka 2.4.0, allows you to mirror multiple clusters and create many replication topologies. Learn all about this awesome new tool and how to reliably and easily mirror clusters. We will first describe how MirrorMaker 2 works, including how it addresses all the shortcomings of MirrorMaker 1. We will also cover how to decide between its many deployment modes. Finally, we will share our experience running it in production as well as our tips and tricks to get a smooth ride.