Architecture Digest

Sep 8, 2017 · Backend Development

Optimizing a High‑Concurrency Lottery System: Caching, Queueing, Optimistic Locking, and Read/Write Splitting

The article analyzes a lottery‑service bottleneck caused by massive concurrent database reads and writes and presents a comprehensive set of backend optimization techniques—including caching, queue‑based peak‑shaving, optimistic locking, asynchronous processing, read‑write splitting, and semaphore‑based rate limiting—to improve throughput and stability under high load.