High‑Concurrency Order System Architecture: How Redis, MySQL, and Elasticsearch Collaborate Without Overstepping
This article presents a production‑grade, high‑concurrency order system design that separates responsibilities among Redis for traffic control, MySQL as the single source of truth, Kafka for event propagation, and Elasticsearch for search, while detailing state‑machine modeling, outbox patterns, seckill flow, and comprehensive observability and deployment practices.
