Why to use PUMA in production for your Rails App | by Anil Kumar Maurya | Medium
Running Sidekiq On Heroku Free Dyno With Puma
Concurrent-ruby + Puma = threads explosion? | by zhitong liu | Medium
Mastering Heroku — Issue #3 - by Adam McCrea
Routing Performance Update | Heroku
Nate Berkopec on Twitter: "Best memory usage of a Rails app that I've ever seen was someone running 30 Puma processes with 6GB. That's 200 MB per process. This was a very
Switching From Unicorn to Puma on Heroku is Easy! | Daniel P. Clark
Ruby Language Metrics (Public Beta) | Heroku Dev Center
Heroku, I stream you!
Heroku and Puma vs. Heroku and Unicorn | Cloudbees Blog