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What are message queues in Node.js?

Message queues allow applications to process tasks asynchronously by placing jobs into a queue. They are useful for background tasks such as emails, file processing, notifications, and heavy computations. Popular solutions include RabbitMQ, BullMQ, and Kafka.

Related Drills

How would you handle global error boundaries in Express or Node.js backend apps?

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What is Node.js and why is it used?

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What is the difference between Node.js and JavaScript?

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JB

Jeevan Bhargav

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This answer is calibrated for technical interviews. Verify benchmarks in local sandboxes before deploying.