Outages at Meta prevent billions of people around the world from communicating with each other. We are constantly striving to improve the reliability of our products and systems to ensure they are functioning as expected. We’ll dive into the critical role of deployment health checks in enhancing the reliability of thousands of systems. We’ll share strategies around keeping a high bar for change safety while minimizing noise and raising trust in the deployment process. Gain insights into our vision and ongoing efforts to bolster infrastructure reliability.