bin/rails test stopped printing and never finished. Not a failure. Not a stack trace. The log just froze mid-run, and the parent process sat at 0% CPU: Running 2014 tests in parallel using 10 …
I use minitest to run parallel tests with bin/rails test on GemChat (Rails 8.1, Ruby 4.0.7, pg 1.6.3, PostgreSQL in Docker). Running the Rails test suite in parallel should make it faster. Instead, on …
Let’s say you’re mid-task and need to know how sidekiq handles Redis reconnection, or what the exact puma thread configuration is for your deployment. Your options are: open a browser, …
I recently ran into a small but frustrating production bug caused by a common Ruby mistake. I had a feature controlled by an environment variable: DISABLE_THING=false The application restarted …
For this talk at DevMeetup, I walked through how Rails works internally - tracing the full code journey from Rack all the way through to Railties. The session covers the entire Rails request lifecycle …
