Message Storage

58 Tech

Dec 4, 2019 · Backend Development

Design and Practice of Billion‑User IM Long‑Connection Service at 58.com

The article summarizes the second 58.com instant‑messaging technology salon, detailing the architecture, high‑performance long‑connection design, multi‑thread socket models, read‑write diffusion storage strategies for single‑ and group‑chat, message synchronization mechanisms, and the IM SDK framework for audio‑video communication.