How do I know whether my Rails app is thread-safe or not? - by Jarkko of Bear Metal
ruby on rails - Why does htop show more threads than puma configuration? - Stack Overflow
Puma Men's Enzo Sneaker | Costco
Access token config is not thread safe, this could lead to a race condition where the wrong access token is used · Issue #145 · XeroAPI/xero-ruby · GitHub
How Jobandtalent runs web apps. Learn how we handle HTTP services in… | by jobandtalent Engineering | Jobandtalent Engineering
Puma raises WARNING: Detected 1 Thread(s) started in app boot with preload_app and workers · Issue #37066 · rails/rails · GitHub
A Simpler Rails Benchmark, Puma and Concurrency — Engineering Blog
How to Debug CPU Overuse in Ruby Applications | by Christina Stewart | Solaris Engineering
Memory usage keeps going up over time · Issue #342 · puma/puma · GitHub
A Simpler Rails Benchmark, Puma and Concurrency — Engineering Blog