Dapper

Cycling Anatomy, Second Edition

Collecting per-second measurements of CPU load might yield interesting data, but such frequent measurements may be very expensive to collect, store, and analyze.

it is better to allow an error budget—a rate at which the SLOs can be missed—and track that on a daily or weekly basis

To save effort, build a set of reusable SLI templates for each common metric; these also make it simpler for everyone to understand what a specific SLI means.

With over 16 million pulls per month, Google’s `distroless` base images are widely used and depended on by large projects like Kubernetes and Istio. These minimal images don’t include common tools like shells or package managers, making their attack surface (and download size!) smaller than traditional base images such as `ubuntu` or `alpine`.