Java High-Performance Architecture

Sep 30, 2016 · Operations

How Twitter Deploys Its High‑Traffic widgets.js with Zero‑Downtime Rollbacks

Twitter’s widgets.js, serving 300,000 requests per second, uses a carefully engineered deployment pipeline that emphasizes instant rollbacks, progressive rollouts, and real‑time visibility through DNS routing, CDN distribution, and origin management to minimize risk and ensure reliability.