4 min
Event-Driven Boundaries on AWS: Async vs Sync, Amazon MSK vs Amazon MQ (RabbitMQ), and When SQS Wins
Standard SQS queues sustain nearly unlimited throughput per queue (AWS-documented pattern) while FIFO caps at 300 TPS per API batch without high-throughput mode. Your May 2026 architecture review should start from those numbers.
Palaniappan P