Glossary term
What is dead-letter queue? Meaning for developers
A place where jobs that failed every retry are kept so people can look at them.
Learn it properly · Full-Stack QuestionsLesson 19: Queues, Background Jobs and WebhooksWhy queues, BullMQ, retries and backoff, dead letters, idempotency, the outbox pattern, receiving and sending webhooks, RabbitMQ vs Kafka vs SQS.