Fundamentals Case Studies

Real-world Fundamentals case studies: what happened in production, the architecture behind it, the numbers and the lessons to take to your own team.

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1. Building an Incident Response Program from Scratch: On-Call, Severities, and Blameless Reviews

   A 120-engineer B2B SaaS company had no formal incident process, causing multi-hour outages with no coordination. They built on-call rotations, severity tiers, and blameless postmortems—cutting MTTR from 4.2 hours to 38 minutes.

   Fundamentals · beginner · 12 min read

2. How a Five-Person SRE Team Cut Operational Toil by 50% with Automation and Observability

   A small SRE team drowning in manual alerts and runbooks automated their way to half the toil in 90 days using Terraform, PagerDuty, and a self-healing Kubernetes operator.

   Fundamentals · beginner · 12 min read

3. How a Retail Platform Survived 10x Black Friday Traffic With Load Testing and Game Days

   A mid-size e-commerce platform used k6, chaos engineering, and capacity planning sprints to handle a 10x traffic spike on Black Friday without a single P1 incident.

   Fundamentals · intermediate · 12 min read