--- title: "The Ultimate Kafka 101 You Cannot Miss" description: "Learn the fundamentals of Kafka in 8 simple steps." image: "https://assets.bytebytego.com/diagrams/0246-kafka-101-8-steps-to-learn-the-fundamentals-of-kafka.png" createdAt: "2024-02-02" draft: false categories: - database-and-storage tags: - "Kafka" - "Distributed Systems" --- ![](https://assets.bytebytego.com/diagrams/0246-kafka-101-8-steps-to-learn-the-fundamentals-of-kafka.png) Kafka is super-popular but can be overwhelming in the beginning. Here are 8 simple steps that can help you understand the fundamentals of Kafka. ## What is Kafka? Kafka is a distributed event store and a streaming platform. It began as an internal project at LinkedIn and now powers some of the largest data pipelines in the world in orgs like Netflix, Uber, etc. ## Kafka Messages Message is the basic unit of data in Kafka. It’s like a record in a table consisting of headers, key, and value. ## Kafka Topics and Partitions Every message goes to a particular Topic. Think of the topic as a folder on your computer. Topics also have multiple partitions. ## Advantages of Kafka Kafka can handle multiple producers and consumers, while providing disk-based data retention and high scalability. ## Kafka Producer Producers in Kafka create new messages, batch them, and send them to a Kafka topic. They also take care of balancing messages across different partitions. ## Kafka Consumer Kafka consumers work together as a consumer group to read messages from the broker. ## Kafka Cluster A Kafka cluster consists of several brokers where each partition is replicated across multiple brokers to ensure high availability and redundancy. ## Use Cases of Kafka Kafka can be used for log analysis, data streaming, change data capture, and system monitoring.