Site Reliability Engineering (SRE) is an approach to software engineering that emphasizes the reliability and maintainability of systems. It was developed by Google in response to the challenges they faced in operating their large-scale, distributed systems. SRE has since become a widely adopted practice in the industry, particularly in DevOps environments.
SRE and DevOps share a common goal: to improve the reliability, scalability, and efficiency of software systems. SRE achieves this by applying software engineering practices to operations tasks, with a focus on automation, monitoring, and continuous improvement. SRE teams work closely with development teams to ensure that systems are designed with reliability and maintainability in mind, and that they are operated in a way that minimizes downtime and other issues.
DevOps is a broader approach to software development and operations that emphasizes collaboration, automation, and continuous delivery. It aims to break down silos between development and operations teams, and to enable more frequent and reliable software releases. SRE is a specific implementation of DevOps principles, focused on the operations side of the DevOps pipeline.
Together, SRE and DevOps can help organizations achieve high levels of reliability and scalability in their software systems. By combining the automation and collaboration of DevOps with the reliability and maintenance focus of SRE, teams can build and operate systems that are both efficient and resilient.