Unicorn vs. Cowboy vs. Passenger

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Unicorn

Cowboy

Passenger

Favorites

15

Favorites

6

Favorites

22

Hacker News, Reddit, Stack Overflow Stats

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  • 5
  • 1.22K
  • 12
  • 120
  • 192
  • 2
  • 23
  • 3.27K

GitHub Stats

Description

What is 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.

What is Cowboy?

Cowboy aims to provide a complete HTTP stack in a small code base. It is optimized for low latency and low memory usage, in part because it uses binary strings. Cowboy provides routing capabilities, selectively dispatching requests to handlers written in Erlang.

What is 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.

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