advancedKafka: Producer, Consumer & Idempotency

One Kafka partition is overloaded while others sit idle. What could cause this?

Tests whether you know a poorly chosen partition key (like a low-cardinality field) creates a hot partition.

Ready to master this question?

Generate a complete walkthrough — background, the full answer in plain language, a working code example explained line by line, a real-world scenario, common mistakes, and how this same question gets asked in different ways.

Sign in to generate a response

Next Step

Continue to What is the owning side of a relationship? What does mappedBy mean?← Back to all Spring Boot & Microservices questions