advancedDeployment & Operations

Consumer lag keeps growing in your Kafka pipeline, but CPU usage on the consumer is low. What could be the bottleneck?

Tests whether you know low CPU with rising lag usually points to a slow downstream call inside the consumer, not a compute-bound processing loop.

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 How do you implement CQRS read model synchronization using Debezium CDC?← Back to all Company Round Scenarios questions