Queues

2 articles

bullmq9 min read

BullMQ in Production — Priority Queues, Rate Limiting, and Dead Letter Handling

Build reliable background job systems with BullMQ. Master priority queues, rate limiting, dead letter handling, and monitoring for production resilience.

March 15, 2026Read →

backend5 min read

No Backpressure Mechanism — When Fast Producers Drown Slow Consumers

Your webhook processor receives 10,000 events/second. Your database can handle 500 inserts/second. Without backpressure, your queue grows unbounded, memory fills up, the process crashes, and you lose all the unprocessed events in memory.

March 15, 2026Read →