Monitoring Ecto in Elixir Applications with AppSignal

This article offers an introduction to Ecto, a toolkit for managing database interactions in Elixir apps, focusing on the necessity of monitoring these interactions to maintain optimal application performance. It highlights common performance issues, such as slow queries or connection pool problems, and details how to implement AppSignal for monitoring Ecto. The guide covers installations, key metrics for monitoring (like query execution time and resource consumption), and the setup of custom instrumentation for databases. By the end of the article, readers will be equipped to diagnose and resolve database performance issues effectively, ensuring their applications run smoothly. The tutorial is beginner-friendly, requiring only basic knowledge of Elixir and Phoenix.