Dead Letter Queues Explained: Handling Failed Messages
What a dead letter queue (DLQ) is, why messages end up there, and how to monitor, alert on, and reprocess them so failed events don't vanish silently.
June 19, 2026
6 min read
Job Queue Monitoring: Sidekiq, BullMQ, and SQS
Background jobs fail silently. Learn to monitor queues, dead letter queues, latency, and consumers across Sidekiq, BullMQ, RabbitMQ, and SQS.
May 6, 2026
12 min read