Leader-Follower

Top Architect

Mar 15, 2022 · Backend Development

Understanding Apache Kafka Replication Mechanism and Its Design Principles

This article explains Apache Kafka's replication mechanism, covering the benefits of data redundancy, the roles of leader and follower replicas, the In‑Sync Replica (ISR) concept, unclean leader election, and how these design choices affect availability, consistency, and scalability in distributed systems.