Streaming and stream processing are a hot topic 🔥 Apache Flink gains more popularity by the day and for those interested I'm working on a hands-on book https://leanpub.com/streamprocessingwithapacheflink Although WIP the last chapter will be going over Flink and Pulsar as they play extremely well together and the pulsar-flink connector is quite sophisticated, providing a strong integration with a lot of functionality.