Lwan vs Uvicorn: What are the differences?

1. Request Handling: Lwan is designed to handle a large number of concurrent connections efficiently, whereas Uvicorn focuses on providing ASGI (Asynchronous Server Gateway Interface) support for web applications.

2. Language Support: Lwan is written in C, while Uvicorn is written in Python, which may affect performance and resource usage depending on the specific use case and requirements.

3. Concurrency Model: Lwan utilizes a traditional threads-based model for concurrency, while Uvicorn leverages asynchronous programming and event loops for handling multiple connections concurrently with fewer resources.

4. Performance: Lwan is recognized for its high performance and low latency, suitable for high traffic websites, whereas Uvicorn is known for its ease of use and compatibility with the Python ecosystem.

5. Configuration: Lwan provides a simple configuration system with a focus on performance optimization, while Uvicorn offers more flexibility in configuration options and supports deployment in various environments.

6. Community and Support: Lwan has a smaller but dedicated community of developers focused on performance optimizations, while Uvicorn benefits from the larger Python community and ecosystem, providing more extensive support and resources for developers.

In Summary, Lwan and Uvicorn differ in terms of their request handling, language support, concurrency models, performance characteristics, configuration options, and developer community support.