Qunar Tech Salon

Dec 1, 2021 · Databases

PostgreSQL High Availability (PGHA) at Qunar: Architecture, Customization, Testing, and Metrics

This article details Qunar's implementation of PostgreSQL high‑availability using Patroni, covering solution selection, custom DCS and failover mechanisms, operational impact, comprehensive testing procedures, performance metrics, and future directions for cross‑region HA deployment.