WeChat Backend Team

Jun 22, 2016 · Fundamentals

How PhxPaxos Turns Paxos Theory into a Production‑Grade Consensus Library

This article provides a beginner-friendly, engineering-focused overview of the production‑grade Paxos library PhxPaxos, explaining the consensus protocol, its roles, instance management, state‑machine integration, performance optimizations, multi‑group deployment, and practical considerations such as disk durability, leader election, and log checkpointing.