58 Tech

Jul 8, 2019 · Databases

Design and Implementation of WMHA: A Modified MySQL High‑Availability Solution

This article explains the need for high‑availability MySQL services, critiques the original in‑house HA approach, and details how the mature MHA framework was extended into WMHA with added VIP monitoring, enhanced failover procedures, richer notifications, and a reorganized deployment structure to improve reliability and reduce DBA intervention.