Full-Stack Internet Architecture

Jun 10, 2020 · Backend Development

Understanding Kafka Consumer Groups, Repartition Triggers, and Consumption Guarantees

This article explains the relationship between Kafka consumers and consumer groups, when repartition occurs, how consumers interact with Zookeeper, the overall consumer workflow, and the three delivery semantics (at‑least‑once, at‑most‑once, exactly‑once) in a concise, technical overview.