Everything you need to implement stream processing on Apache Kafka using Kafka Streams and the kqsIDB event streaming database.

Kafka Streams in Action, Second Edition

guides you through setting up and maintaining your streaming processing with Kafka. Inside, you’ll find comprehensive coverage of not only Kafka Streams, but the entire toolbox you’ll need for effective streaming—from the components of the Kafka ecosystem, to Producer and Consumer clients, Connect, and Schema Registry.

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

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 that makes it a snap to create applications that respond immediately to events, such as real-time push and pull updates.

Foreword by Jun Rao.

About the technology

Enterprise applications need to handle thousands—even millions—of data events every day. With an intuitive API and flawless reliability, the lightweight Kafka Streams library has earned a spot at the center of these systems. Kafka Streams provides exactly the power and simplicity you need to manage real-time event processing or microservices messaging.

About the book

Kafka Streams in Action, Second Edition

teaches you how to create event streaming applications on the amazing Apache Kafka platform. This thoroughly revised new edition now covers a wider range of streaming architectures and includes data integration with Kafka Connect. As you go, you’ll explore real-world examples that introduce components and brokers, schema management, and the other essentials. Along the way, you’ll pick up practical techniques for blending Kafka with Spring, low-level control of processors and state stores, storing event data with ksqlDB, and testing streaming applications.

What's inside

Design efficient streaming applications

Integrate external systems with Kafka Connect

Enforce data compatibility with Schema Registry

About the reader

For Java developers. No knowledge of Kafka or streaming applications required.

About the author

Bill Bejeck

is a Confluent engineer and a Kafka Streams contributor with over 15 years of software development experience. Bill is also a committer on the Apache Kafka? project.

Table of Contents

PART 1

1 Welcome to the Kafka event streaming platform

2 Kafka brokers

PART 2

3 Schema Registry

4 Kafka clients

5 Kafka ConnectPART 3

6 Developing Kafka Streams

7 Streams and state

8 The KTable API

9 Windowing and timestamps

10 The Processor API

11 ksqlDB

12 Spring kafka

13 Kafka Streams Interactive Queries

14 Testing

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