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SRE Metrics Learning Roadmap

The measurement discipline behind reliability engineering — SLIs, SLOs, and error budgets.

Estimated time:3–4 weeks

1🌱

Phase 1 — Fundamentals

SLIs vs SLOs vs SLAs

Choosing meaningful SLIs (latency, availability, correctness)

Error budgets

The four golden signals

2🚨

Burn-rate alerting (fast + slow windows)

Multi-window multi-burn-rate alerts

Reducing alert noise vs missing real issues

Paging philosophy (symptom vs cause alerts)

3⚙️

Error budget policy & release gating

Postmortems & blameless culture

Toil reduction & automation prioritization

On-call rotation design

4📈

advanced

SLO reviews & error budget reporting

Capacity planning from SLO trends

CSAT/SSAT as business-facing reliability signals

Scaling SRE practice across teams

Begin with interview questions to assess your current level.