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Kafka Backfills in Practice: A Blueprint for Accessing Historical Data Event-driven architectures with Kafka have become a standard way of building modern microservices. At first, everything works smoothly - services communicate via events, state is rebuilt from event streams, and the system scales well. But as your data grows, you face an inevitable challenge: what happens when you need to access historical events that are no longer in Kafka? 1. The Problem: Finite Retention & The Need for Back...