Chapter 2 — Geo-Distributed Systems

System Design

Principal/Staff-level system design reference collection for MAANG interview preparation — observability pipelines, distributed systems, reliability engineering, and beyond.

Chapter 3 — Cost Engineering & FinOps

Capacity planning, FinOps, and resource optimization as the discipline that keeps reliability decisions honest about what they cost.

Chapter 1 — Scaling Patterns

Horizontal vs. vertical scaling, autoscaling, and load shedding as the toolkit for absorbing load spikes without over-provisioning permanently.

Chapter 4 — Alerting Systems

Multi-window burn-rate alerts, recording rules, routing, and deduplication as the difference between an actionable page and noise.

Chapter 3 — Monitoring at Scale

Prometheus, Mimir, Cortex, and Thanos as the horizontally-scaled answer to a single Prometheus instance running out of room.