Interview Questions

This category focuses on real-world, commonly asked questions covering Kafka’s core concepts — including consumer groups, brokers, partitions, offsets, Kafka controller, and internal architecture.

10 Questions You Must Know About Consumer Groups and Brokers

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A beginner-friendly Q&A guide that breaks down how Kafka works behind the scenes — from brokers and partitions to group coordinators and offsets. Does the group coordinator assign a broker to a partition? No. The group coordinator assigns partitions to consumers, not brokers. Brokers are already assigned to partitions (as leaders) by the Kafka Controller. … Read more