asyncio FastAPI performance

Top 7 Strategies to Master FastAPI Uvicorn Concurrency & Workers

Cary Huang
March 6, 2026March 6, 2026
Python Programming

Introduction: Why FastAPI Uvicorn Concurrency Tuning Matters When I started deploying FastAPI services with Uvicorn, I quickly realized that default settings were fine for demos but terrible for real traffic. Concurrency and worker configuration decide whether your API feels snappy… Read More »Top 7 Strategies to Master FastAPI Uvicorn Concurrency & Workers

Case Study: Fixing FastAPI Event Loop Blocking in a High-Traffic API

Cary Huang
January 10, 2026January 10, 2026
Python Programming

Introduction When I first rolled out this FastAPI service, everything looked great in staging: low latency, clean logs, and CPU usage well within limits. But a few weeks after going live under real production traffic, the symptoms started creeping in—sporadic… Read More »Case Study: Fixing FastAPI Event Loop Blocking in a High-Traffic API