I am upgrading Confluent from version 7.9.X to 8.0 by deprecating the ZooKeeper cluster and enabling KRaft mode in production. To reduce costs, we have decided not to add any additional nodes to the Kafka cluster to act as separate controllers. Instead, we plan to use the existing Kafka nodes in the cluster to serve both broker and controller roles (Combined mode). However, according to the documentation, the Combined mode is intended only for local experimentation and is not supported by Confluent in production. Could you please let us know when this Combined mode will be available for production use?
Here is the Confluent documentation link that mentions Combined mode is not supported in production: