Node.js Job Queues in Production: BullMQ, Bull, and Worker Threads
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Node.js Job Queues in Production: BullMQ, Bull, and Worker Threads Every non-trivial Node.js application eventually hits the same wall: a user action triggers work that takes too long to do synchronously. Send a welcome email. Resize an uploaded image. Generate a PDF. Process a payment webhook. Run an AI inference job. The answer is always the same: put it in a queue, do it in the background, tell the user you've received their request. Job queues decouple the HTTP request from the