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Waitress vs uWSGI: What are the differences?


In the world of web servers and application deployment, there are several options available, each with its own set of features and capabilities. Two popular options are Waitress and uWSGI. While both serve the purpose of hosting web applications, there are key differences between them. In this article, we will highlight six significant differences between Waitress and uWSGI.

1. Scalability:

Waitress is a lightweight web server mainly designed for development and small-scale deployments. It is ideal for testing and running applications locally on a developer's machine. On the other hand, uWSGI is a highly scalable application server that can handle a large number of concurrent connections and requests. It is commonly used in production environments where high performance and scalability are crucial.

2. Protocol Support:

Waitress primarily supports HTTP/1.1 protocol, making it easy to integrate with web frameworks built using this protocol. In contrast, uWSGI supports a vast range of protocols, including HTTP, FastCGI, SCGI, uWSGI, and more. This extended protocol support enables uWSGI to integrate with various web frameworks and legacy systems.

3. Load Balancer:

While Waitress does not provide built-in load balancing capabilities, uWSGI includes a load balancing mechanism. This feature enables uWSGI to distribute incoming requests across multiple worker processes or servers, ensuring efficient resource utilization and improved application performance in high traffic scenarios.

4. Configuration Flexibility:

Waitress offers a straightforward configuration setup, making it easy to get started and configure basic settings. However, if advanced or custom configuration is required, Waitress might not provide the necessary flexibility. On the other hand, uWSGI offers a wide range of configuration options, allowing users to fine-tune various aspects of the server behavior to meet specific requirements.

5. Language Support:

Waitress is primarily designed for Python applications and is typically used as a Python WSGI server. It integrates well with popular Python web frameworks such as Django and Flask. In contrast, uWSGI has broader language support and can be used with a variety of programming languages, including Python, Ruby, Perl, and more. This makes uWSGI a versatile choice for multi-language applications.

6. Performance:

When it comes to performance, uWSGI is often regarded as a high-performance server due to its optimized architecture and efficient request handling. It employs various performance-enhancing techniques such as caching, lazy-app loading, and threading. While Waitress is capable of handling moderate loads, it may not be as performant as uWSGI in resource-intensive scenarios.

In summary, the key differences between Waitress and uWSGI include scalability, protocol support, load balancing capability, configuration flexibility, language support, and performance. Waitress is a lightweight server suitable for small-scale deployments, while uWSGI is a highly scalable and versatile application server with extensive protocol support and advanced configuration options, making it suitable for production environments.

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Pros of uWSGI
Pros of Waitress
  • 6
  • 4
  • 2
  • 2
    Runs on Windows
  • 1
    Cross Platform
  • 1
  • 1
  • 1
  • 1
    Easy setup

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What is uWSGI?

The uWSGI project aims at developing a full stack for building hosting services.

What is Waitress?

It is meant to be a production-quality pure-Python WSGI server with very acceptable performance. It has no dependencies except ones which live in the Python standard library. It runs on CPython on Unix and Windows under Python 2.7+ and Python 3.4+. It is also known to run on PyPy 1.6.0 on UNIX.

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What companies use uWSGI?
What companies use Waitress?
See which teams inside your own company are using uWSGI or Waitress.
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What tools integrate with uWSGI?
What tools integrate with Waitress?

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What are some alternatives to uWSGI and Waitress?
Gunicorn is a pre-fork worker model ported from Ruby's Unicorn project. The Gunicorn server is broadly compatible with various web frameworks, simply implemented, light on server resources, and fairly speedy.
Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.
nginx [engine x] is an HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoev. According to Netcraft nginx served or proxied 30.46% of the top million busiest sites in Jan 2018.
Flask is intended for getting started very quickly and was developed with best intentions in mind.
JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.
See all alternatives