In this web content, the authors reflect on their experiences as Site Reliability Engineers at Google over the past two decades. They highlight the evolution of Google’s computing power and network, as well as the improved reliability of their services. The content shares lessons learned from specific incidents, including the importance of choosing appropriate mitigations, testing recovery mechanisms, having a “Big Red Button”, integrating testing, and maintaining communication channels. It also emphasizes the need for graceful degradation, disaster resilience testing, automation of mitigations, frequent rollouts, and the avoidance of single points of failure. Overall, the authors provide valuable insights based on their experiences at Google.
https://sre.google/resources/practices-and-processes/twenty-years-of-sre-lessons-learned/