58 Tech

Feb 15, 2019 · Artificial Intelligence

Precise Push Notification Architecture and Algorithm Optimization at 58.com

This article describes the evolution of 58.com's user‑set service architecture, the transition from MongoDB to RoaringBitmap storage, and the machine‑learning‑driven algorithm optimizations that enable real‑time, multi‑dimensional, and localized push notifications for millions of users.