This must-watch video for anyone running dotCMS in a multi-node configuration will show you how to quickly and reliably scaled up and down using the new Postgres-based pub/sub cache transport available in v21.06. The Postgres pub/sub cache transport is now the default cache transport (replacing Hazelcast). It uses Postgres' native LISTEN/NOTIFY message bus to reliably auto-wire a dotCMS cluster together without adding to configuration, hosting, or architectural complexity. With dotCMS 21.06, you can autoscale your delivery tier and respond to changes in load quickly and reliably as your needs and traffic change.