Question

A retail company runs a customer-facing checkout service and wants to establish a baseline set of metrics to monitor its overall health. The SRE team asks which categories of signals Google's SRE practices recommend tracking first to quickly detect problems affecting users. Which set of metrics should they prioritize?

Accepted Answer

The four golden signals: latency, traffic, errors, and saturation

Answer

CPU model, disk type, VM image version, and operating system patch level

Answer

Number of commits, lines of code changed, sprint velocity, and open tickets

Answer

Committed use discounts, sustained use discounts, invoice totals, and budget alerts