Reliability Metrics
Reliability metrics are quantitative measures used to assess the dependability, availability, and fault tolerance of systems, particularly in software engineering and IT operations. They help organizations evaluate how consistently a system performs its intended functions under specified conditions over time. Common metrics include Mean Time Between Failures (MTBF), Mean Time To Recovery (MTTR), and availability percentages.
Developers should learn reliability metrics to design, build, and maintain robust systems that meet service-level agreements (SLAs) and user expectations, especially in cloud-native, microservices, or critical infrastructure applications. These metrics are essential for incident management, capacity planning, and improving system resilience in DevOps and SRE (Site Reliability Engineering) practices.