Kafka Streams is a library designed to allow for easy stream processing of data flowing into a Kafka cluster. Stream processing has become one of the biggest needs for companies over the last few years as quick data insight becomes more and more important but current solutions can be complex and large, requiring additional tools to perform lookups and aggregations. Kafka Streams in Action teaches readers everything they need to know to implement stream processing on data flowing into their Kafka platform, allowing them to focus on getting more from their data without sacrificing time or effort. By the end of the book, readers will be ready to use Kafka Streams in their projects to reap the benefits of the insight their data holds quickly and easily.   KEY FEATURES • Hands-on lessons • Step-by-step instructions • Thorough introduction to Kafka Streams   This book is suitable for all Java (or JVM language) developers looking to discover the world of stream processing and its many benefits. Knowledge of Kafka is not required, but would be a bonus.   ABOUT THE TECHNOLOGY Kafka Streams is a library that allows you to perform per-event processing of records.   AUTHOR BIO Bill Bejeck is a Kafka Streams contributor with over 13 years of software development experience. With 6 years working exclusively on the back-end and large data volumes, Bill currently uses Kafka to improve data flow to downstream customers.