Cloud Architecture

Mar 31, 2026 · Backend Development

Designing a Trillion‑Scale Feed: Hybrid Push‑Pull Architecture and Kubernetes in Production

This article dissects the challenges of building a trillion‑scale social feed, explains why pure push or pull cannot sustain extreme load, and presents a hybrid architecture with layered storage, capacity modeling, idempotent fan‑out, ranking, and production‑grade Kubernetes deployments, backed by concrete code examples and performance formulas.