Your question is Monitoring Metrics and KPI Frameworks. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You are responsible for the health of a production system and need a clear way to track reliability, performance, and team response. You want monitoring to support day to day operations, but also help leadership understand whether engineering is improving the system over time.
What tools or frameworks do you prefer for system monitoring and why?