Tech Stack & Architecture
When should a startup introduce a message queue like Kafka or RabbitMQ?
Answer:
Introduce a message queue when synchronous API calls cause bottlenecks-usually when background processing, event-driven workflows, or service decoupling are necessary. Practical signs include processing times over 2 seconds per request, fan-out patterns, or the need for reliable async task delivery. Most startups do not require Kafka or RabbitMQ before reaching 10,000 daily active users.
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