Xiaolin Talks Programming

Aug 11, 2026 · Backend Development

Building Stream Processing Apps with Spring Boot & Kafka Streams: State Stores, Windowing & Exactly-Once

This article provides a comprehensive guide to integrating Apache Kafka Streams with Spring Boot for production-grade stream processing, covering core concepts, state storage with RocksDB, window aggregation strategies, exactly-once semantics, interactive queries, multi-tenancy isolation, and operational best practices.