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  1. Stackups
  2. Application & Data
  3. Platform as a Service
  4. Web Servers
  5. Gunicorn vs Undertow

Gunicorn vs Undertow

OverviewComparisonAlternatives

Overview

Gunicorn
Gunicorn
Stacks1.3K
Followers908
Votes78
GitHub Stars10.3K
Forks1.8K
Undertow
Undertow
Stacks49
Followers94
Votes5

Gunicorn vs Undertow: What are the differences?

Developers describe Gunicorn as "A Python WSGI HTTP Server for UNIX". 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. On the other hand, Undertow is detailed as "A flexible performant web server written in java". It is a flexible performant web server written in java, providing both blocking and non-blocking API’s based on NIO. It has a composition based architecture that allows you to build a web server by combining small single purpose handlers. The gives you the flexibility to choose between a full Java EE servlet 4.0 container, or a low level non-blocking handler, to anything in between.

Gunicorn and Undertow can be categorized as "Web Servers" tools.

Gunicorn is an open source tool with 6.03K GitHub stars and 1.14K GitHub forks. Here's a link to Gunicorn's open source repository on GitHub.

Instagram, reddit, and hike are some of the popular companies that use Gunicorn, whereas Undertow is used by CurrencyFair, Notify-e, and Kreomi. Gunicorn has a broader approval, being mentioned in 235 company stacks & 251 developers stacks; compared to Undertow, which is listed in 8 company stacks and 5 developer stacks.

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Detailed Comparison

Gunicorn
Gunicorn
Undertow
Undertow

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.

It is a flexible performant web server written in java, providing both blocking and non-blocking API’s based on NIO. It has a composition based architecture that allows you to build a web server by combining small single purpose handlers. The gives you the flexibility to choose between a full Java EE servlet 4.0 container, or a low level non-blocking handler, to anything in between.

-
Flexible Web Server; composition based architecture
Statistics
GitHub Stars
10.3K
GitHub Stars
-
GitHub Forks
1.8K
GitHub Forks
-
Stacks
1.3K
Stacks
49
Followers
908
Followers
94
Votes
78
Votes
5
Pros & Cons
Pros
  • 34
    Python
  • 30
    Easy setup
  • 8
    Reliable
  • 3
    Fast
  • 3
    Light
Pros
  • 4
    Performance
  • 1
    Lower footprint
Cons
  • 1
    Less known
  • 1
    Smaller community
Integrations
No integrations available
Spring Boot
Spring Boot
Wildfly
Wildfly

What are some alternatives to Gunicorn, Undertow?

NGINX

NGINX

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.

Apache HTTP Server

Apache HTTP Server

The Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Originally designed as a replacement for the NCSA HTTP Server, it has grown to be the most popular web server on the Internet.

Unicorn

Unicorn

Unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections and take advantage of features in Unix/Unix-like kernels. Slow clients should only be served by placing a reverse proxy capable of fully buffering both the the request and response in between Unicorn and slow clients.

Microsoft IIS

Microsoft IIS

Internet Information Services (IIS) for Windows Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS's scalable and open architecture is ready to handle the most demanding tasks.

Apache Tomcat

Apache Tomcat

Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations.

Passenger

Passenger

Phusion Passenger is a web server and application server, designed to be fast, robust and lightweight. It takes a lot of complexity out of deploying web apps, adds powerful enterprise-grade features that are useful in production, and makes administration much easier and less complex.

Jetty

Jetty

Jetty is used in a wide variety of projects and products, both in development and production. Jetty can be easily embedded in devices, tools, frameworks, application servers, and clusters. See the Jetty Powered page for more uses of Jetty.

lighttpd

lighttpd

lighttpd has a very low memory footprint compared to other webservers and takes care of cpu-load. Its advanced feature-set (FastCGI, CGI, Auth, Output-Compression, URL-Rewriting and many more) make lighttpd the perfect webserver-software for every server that suffers load problems.

Swoole

Swoole

It is an open source high-performance network framework using an event-driven, asynchronous, non-blocking I/O model which makes it scalable and efficient.

Puma

Puma

Unlike other Ruby Webservers, Puma was built for speed and parallelism. Puma is a small library that provides a very fast and concurrent HTTP 1.1 server for Ruby web applications.

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