Postgres LISTEN/NOTIFY can cause severe performance issues under high write concurrency due to a global lock during commit. Learn why it doesn't scale and how to avoid outages.| www.recall.ai
Debugging Rails ApplicationsThis guide introduces techniques for debugging Ruby on Rails applications.After reading this guide, you will know: The purpose of debugging. How to track down problems and issues in your application that your tests aren't identifying. The different ways of debugging. How to analyze the stack trace.| Ruby on Rails Guides