Microservice Architecture · interview question
In an event-driven architecture using Kafka, what happens if a consumer is offline when a producer sends an event?
Multiple choiceMediumchapter-18-curatedpremiummicroservice-architecturemessage-brokers-kafka
Answer and explanation
Correct answer
B. The message is stored in Kafka until the consumer is available
Why
Kafka retains messages in its log, allowing consumers to catch up on missed messages when they come back online. This ensures reliable delivery even when consumers experience downtime.
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