Introduction to Apache Kafka 2025: Learn what Kafka is, why it dominates event streaming, and how to get started with Kafka 4.0. Covers core concepts, use cases across industries, comparisons with other messaging systems, and modern cloud deployment options. Perfect starting point for developers and architects exploring real-time data streaming. What is Kafka? Apache Kafka is a distributed publish-subscribe messaging system and a robust queue that can handle a high volume of data and enables you to pass messages from one end-point to another. Kafka is suitable for both offline and online message consumption. Kafka messages are persisted on the disk and replicated within the cluster to prevent data loss. Kafka is built on top of the ZooKeeper synchronization service. It integrates very well with Apache Storm and Spark for real-time ... Apache Kafka is the open source streaming technology behind some of the most popular real-time, event-driven user experiences on the web. Apache Kafka is a software that enables high-performance data pipelines, streaming analytics, data integration, and mission-critical applications. It is used by thousands of companies for scalable, durable, and fault-tolerant event streaming across industries and use cases.
