FastAPIFastAPI là ASGI application; ASGI là interface cho Python async web apps. Uvicorn là ASGI server phổ biến dùng để chạy FastAPI, nhận HTTP/WebSocket request và gọi app theo ASGI protocol.
Trong production, số process/workers phụ thuộc CPU, memory, blocking I/O và cách scale bằng container/orchestrator. Không tăng workers mù quáng nếu app giữ nhiều connection pool hoặc model lớn trong memory.
FastAPI is an ASGI application; ASGI is the interface for async Python web apps. Uvicorn is a common ASGI server used to run FastAPI, receive HTTP/WebSocket requests and call the app through the ASGI protocol.
In production, process/worker count depends on CPU, memory, blocking I/O and scaling through containers/orchestrators. Do not blindly increase workers if the app holds many connection pools or large models in memory.