What is kafka: Introduction to Apache Kafka 2025: Learn

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. Kafka is an open-source stream processing platform developed by the Apache Software Foundation. We can use it as a messaging system to decouple message producers and consumers, but in comparison to “classical” messaging systems like ActiveMQ, it is designed to handle real-time data streams and provides a distributed, fault-tolerant, and highly scalable architecture for processing and storing data. Therefore, we can use it in various use cases: Real-time data processing and analytics Log ... In this post, we’ll break down what Kafka is, why it’s used, when to use it, and how it works behind the scenes. 1. What is Kafka? Kafka is a distributed event streaming platform and... The Design section of the documentation explains Kafka's various concepts in full detail, if you are interested. Kafka APIs In addition to command line tooling for management and administration tasks, Kafka has five core APIs for Java and Scala: The Admin API to manage and inspect topics, brokers, and other Kafka objects.