RailsConf 2024 - Ask your logs by Youssef Boulkaid

Logging is often an afterthought when we put our apps in production. It's there, it's configured by default and it's... good enough? If you have ever tried to debug a production issue by digging in your application logs, you know that it is a challenge to find the information you need in the gigabyte-sized haystack that is the default rails log output. In this talk, let's explore how we can use structured logging to turn our logs into data and use dedicated tools to ask — and answer — some non-obvious questions of our logs.