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WeChat Backend Team
WeChat Backend Team
Mar 6, 2021 · Backend Development

How We Scaled a Live Chatroom to 15 Million Concurrent Users

This article details the evolution of a WeChat live‑room chat component from its 1.0 high‑performance design to a 2.0 architecture that overcomes scalability, reliability, and traffic‑isolation challenges, enabling a single room to support up to 15 million simultaneous online users.

ChatroomDistributed SystemsHyperLogLog
0 likes · 13 min read
How We Scaled a Live Chatroom to 15 Million Concurrent Users
MaGe Linux Operations
MaGe Linux Operations
Dec 25, 2020 · Backend Development

Build a Simple UDP Chatroom with Python Sockets – Step‑by‑Step Guide

This article explains socket fundamentals and walks through creating a simple UDP‑based chatroom in Python, covering basic socket creation, common methods, a straightforward server‑client example, and an enhanced multi‑user implementation with full source code and execution details.

Backend DevelopmentChatroomNetwork programming
0 likes · 7 min read
Build a Simple UDP Chatroom with Python Sockets – Step‑by‑Step Guide
Java Captain
Java Captain
Dec 10, 2020 · Backend Development

Implementing a Real-Time Network Chatroom in Java Using TCP and Multithreading

This article explains how to build a real‑time network chatroom in Java using TCP sockets, multithreading, and a ConcurrentHashMap to manage user connections, detailing command handling for listing users, group chat, private messages, exiting, and server shutdown, with full source code examples.

ChatroomConcurrentHashMapJava
0 likes · 14 min read
Implementing a Real-Time Network Chatroom in Java Using TCP and Multithreading
php Courses
php Courses
Nov 10, 2020 · Backend Development

Building a Simple Chatroom with WebSocket and Swoole (PHP)

This tutorial demonstrates how to create a lightweight chatroom by combining WebSocket on the front end with Swoole's WebSocket server in PHP, covering project setup, required environment, client‑side HTML/JS, server‑side PHP code, and steps to run and test the application.

BackendChatroomJavaScript
0 likes · 8 min read
Building a Simple Chatroom with WebSocket and Swoole (PHP)