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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.


Philip Schmitt

Philip Schmitt is a senior consultant at TNG Technology Consulting interested in all facets of software engineering, software architecture, user experience, and design. He is currently helping an online retailer modernize a legacy application and adopt an event-driven architecture.