Hands-On Software Engineering with Golang

Service-level objectives

From a Site Reliability Engineering (SRE) perspective, we need to come up with a list of SLOs that will be used as a gauge for the Links 'R' Us project's performance. Ideally, we should be defining individual SLOs for each one of our services. That may not be immediately possible at the design stage but, at the very least, we need to come up with a realistic SLO for the user-facing components of our system.

SLOs consist of three parts: a description of the thing that we are measuring, the expected service level expressed as a percentage, and the period where the measurement takes place. The following table lists some initial and fairly standard SLOs for Links 'R' Us:

Metric

Expectation

Measurement Period

Notes ...