FastAPI Profiler
A FastAPI middleware that integrates pyinstrument for performance profiling, request statistics, and a built-in dashboard.
What is FastAPI Profiler?
fastapi_profiler is a FastAPI middleware that integrates the pyinstrument profiler to provide detailed performance profiling for web applications. It helps developers identify bottlenecks, monitor request performance, and optimize their services with features like per-request profiling, sampling rate control, and a built-in Web UI dashboard. The tool is designed to be lightweight and production-ready, offering minimal overhead and extensive configuration options.
FastAPI developers and backend engineers who need to monitor and optimize the performance of their web services in development, staging, or production environments. It is particularly useful for teams requiring detailed request-level profiling and runtime performance analytics.
Developers choose fastapi_profiler for its seamless integration with FastAPI, production-focused features like configurable sampling and structured JSON logging, and the unique built-in dashboard for real-time performance monitoring. Its ability to profile errors automatically and toggle profiling at runtime without server restarts provides flexibility and control not always found in alternative profiling tools.
Overview
A FastAPI Middleware of https://github.com/joerick/pyinstrument to check your service performance.
Use Cases
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