Failing to Cross the Streams – Lessons Learned the Hard Way

This is a talk about debugging Stream–Table joins – based on my first-hand experience of stumbling into various pitfalls.

I will walk through the laughter and tears of the sharper edges of ksqlDB that I encountered along the way. We will witness the power and versatility of kafkacat and uncover the number one kafkacat pitfall. We will see Stream–Table join semantics in action.