An immutable event log is not without its complexities. For example, versioning of events (I recommend reading Versioning in an Event Sourced System [1]). I wo

An immutable event log is not without its complexities. For example, versioning of events (I recommend reading Versioning in an Event Sourced System [1]). I would also add that you can take this approach without using Kafka, especially if your system is small. Even a RDBMS table can be used as your single-source-of-truth immutable event log. [1] https://leanpub.com/esversioning/read https://leanpub.com/esversioning/read