Meitu Technology

Apr 23, 2018 · Backend Development

Design and Evolution of Live Streaming Bullet Comment System: From HTTP Polling to Long Connection

Meipai’s live‑stream bullet‑comment platform progressed from an initial HTTP‑polling design supporting one million users, through a high‑availability dual‑room architecture, to a scalable long‑connection system with gRPC routing, dynamic degradation, and caching, solving message ordering, Redis bottlenecks, and ensuring seamless user experience.