DrupalCon Amsterdam 2019: Drupal HA: a story from the trenches

In this talk, Bram Vogelaar from Inuits.eu shares insights on achieving a reliable and available infrastructure for Drupal. He discusses the challenges engineers face when deploying to production and examines what high CPU loads indicate about system performance. The session covers various topics including Infrastructure as Code, Service Discovery, Config Management, and strategies for caching and replicated databases. Vogelaar reflects on the lessons learned from level 1 outages, illustrating how they have refined their approach to ensure teams can efficiently manage deployment and release without overwhelming transitions. The talk emphasizes the importance of understanding the strengths and weaknesses of their setup, offering valuable validation techniques for attendees to apply to their own infrastructures.