Flash Sale Architecture: Rate Limiting & Redis
Flash Sale Architecture: Rate Limiting & Redis Answer-first: High-concurrency flash sale systems absorb millions of synchronized user requests using a 5-Tier Traffic Shedding Architecture: Cloudflare CDN edge static asset caching, Envoy API Gateway atomic Token Bucket rate limiting, Redis Cluster Lua inventory reservations with hotkey slot splitting, partitioned Kafka queue buffering, and asynchronous Go worker pools executing batch upserts into TiDB/MySQL. Prerequisite: Familiarity with Go concurrency primitives, distributed database transactions in TiDB/MySQL, and Redis Cluster caching topology at scale. ...