How We Boosted a Payment Service from 40TPS to 60TPS: Real-World Backend Optimizations
An in‑depth case study of a no‑card payment system reveals common backend pitfalls—database deadlocks, long‑running transactions, thread‑pool misuse, excessive logging, and missing monitoring—and demonstrates practical fixes using Redis locks, refined transaction scopes, controlled thread pools, and optimized logging to dramatically improve scalability and reliability.
