Today, they dive deep into the world of observability in programming, particularly within Rails applications, with special guest, John Gallagher. Valentino openly shares his struggles with engineering challenges and the frustration of recurring issues in his company's customer account app. They explore a five-step process Valentino has developed to tackle these problems and emphasize the critical role of defining use cases and focusing on relevant data for effective observability. In this episode, they talk about the emotional journey of dealing with bugs, the importance of capturing every event within an app, and why metrics, logs, and tracing each play a unique role in debugging. They also touch on tools like Datadog, New Relic, and OpenTelemetry, discussing their practical applications and limitations. Valentino and John shed light on how structured logging, tracing, and the concept of high cardinality attributes can transform debugging experiences, ultimately aiming for a more intuitive and robust approach to observability. Join them as they delve into the nexus of frustration, learning, and technological solutions, offering valuable insights for every developer striving to improve their application's resilience and performance. Socials LinkedIn: John Gallagher Become a supporter of this podcast: https://www.spreaker.com/podcast/ruby-rogues--6102073/support.