This totally revised new edition of Kafka Streams in Action has been expanded to cover more of the Kafka platform used for building event-based applications. You'll also find full coverage of ksqlDB, an event streaming database purpose-built for stream processing applications.
In Kafka Streams in Action, Second Edition you'll learn how to
Design streaming applications in Kafka Streams with the KStream and the Processor API
Integrate external systems with Kafka Connect
Enforce data compatibility with Schema Registry
Build applications that respond immediately to events in either Kafka Streams or ksqlDB
Craft materialized views over streams with ksqlDB
about the technology
The lightweight Kafka Streams library provides exactly the power and simplicity you need for event-based applications, real-time event processing, and message handling in microservices. The ksqlDB database makes it a snap to create applications that respond immediately to events, such as real-time push and pull updates.
about the book
Kafka Streams in Action, Second Edition teaches you to implement stream processing within the Kafka platform. In this easy-to-follow book, you'll explore real-world examples to collect, transform, and aggregate data, work with multiple processors, and handle real-time events. You'll also dive into processing event data with ksqlDB. Practical to the very end, it finishes with testing and operational aspects, such as monitoring, debugging, and gives you the opportunity to explore a few end-to-end projects.

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