The DevOps Handbook: How to Create World-Class Agility, Reliability, & Security in Technology Organizations

by Gene Kim

We need metrics from the following levels: •Business level: Examples include the number of sales transactions, revenue of sales transactions, user sign-ups, churn rate, A/B testing results, etc. •Application level: Examples include transaction times, user response times, application faults, etc. •Infrastructure level (e.g., database, operating system, networking, storage): Examples include web server traffic, CPU load, disk usage, etc. •Client software level (e.g., JavaScript on the client browser, mobile application): Examples include application errors and crashes, user-measured transaction times, etc. •Deployment pipeline level: Examples include build pipeline status (e.g., red or green for our various automated test suites), change deployment lead times, deployment frequencies, test environment promotions, and environment status.