Unicorn VS Puma

Unicorn

Unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections.

Puma

A concurrent web server for Ruby.

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2023-09-12

Landing page //
2023-06-13

War Thunder: Tiger H1 Super Unicorn Review

Puma videos

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The Ford Puma has an onboard foot SPA! REVIEW

Category Popularity

0-100% (relative to Unicorn and Puma)

Puma

Web And Application Servers

83 83%

Web And Application Servers

17% 17

Application Server

82 82%

Application Server

18% 18

Web Servers

83 83%

Web Servers

17% 17

Social Networks

100 100%

Social Networks

0% 0

User comments

Share your experience with using Unicorn and Puma. For example, how are they different and which one is better?

Reviews

These are some of the external sources and on-site user reviews we've used to compare Unicorn and Puma

Unicorn Reviews

Unicorn vs. Puma vs. Passenger: which app server is right for you?

Puma and Passenger are equipped to handle slow clients. Unicorn cannot help with slow clients by itself: requests go directly to a worker process. Unicorn doesn't hide this. The Unicorn docs clearly state: "You should not allow unicorn to serve clients outside of your local network". However, you can get around by using Nginx as a reverse proxy and letting it buffer client...

Source: scoutapm.com

Puma Reviews

Unicorn vs. Puma vs. Passenger: which app server is right for you?

There's a reason Puma is the default app server for newly generated Rails apps and on Heroku today: it's easy to configure and mostly "just works" out-of-the-box. It makes a lot of sense to start with Puma and evaluate Passenger as your app grows and needs more advanced features and configuration options.

Source: scoutapm.com

Social recommendations and mentions

Based on our record, Puma should be more popular than Unicorn. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Unicorn mentions (1)

What exactly is a pre-fork web server model?
I want to know what exactly it means when a web server describes itself as a pre-fork web server. I have a few examples such as unicorn for ruby and gunicorn for python. Source: almost 2 years ago

Puma mentions (3)

Breaking the 300 barrier
As we use Puma as our webserver for our rails application, I quickly went to Puma's config file which typically resides in config/puma.rb. The config was set as. - Source: dev.to / 2 months ago
What's new in Ruby 3.1?
One more thing - any top-of-mind examples of you squeezing more performance by making similar changes in the context of Puma? Source: over 2 years ago
Ask HN: Coming back to Web/Ruby/Rails since 2012. Help?
Welcome back. It's still the best choice in the Ruby world, well maintained, responsive and new features added. Shopify and github use it, you might want to look at the Rails 6 annoucements what these companies added for scalability features. There've been changes to the asset pipeline since version 3 but you'll still recognize it. You can run Rails as API-only and there's subprojects/tutorials for combining a... - Source: Hacker News / about 3 years ago