Debugging 100% CPU usage in production Ruby on Rails systems
How do you go about debugging high CPU usage in a production Rails system? What code consume the CPU resource most?
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Where Does Rails Spend Its Time? — Noah (who is the subject of our first Ruby...Where Does Rails Spend Its Time? — Noah (who is the subject of our first Ruby Weekly interview - more on that below) profiles Rails Ruby Bench to see where his benchmark is spending most of its time. Unsurprisingly, it involves setting up all those ActiveRecord objects we use.
Go faster, off the Rails - Benchmarks for your whole Rails app