Architecture Digest

Sep 25, 2025 · Databases

How to Tackle MySQL Master‑Slave Replication Lag and Prevent Dirty Reads

This article explains why MySQL master‑slave replication lag causes dirty reads, breaks down the asynchronous replication pipeline, and presents three practical mitigation strategies—including semi‑synchronous replication, forcing reads from the master, and cache double‑delete techniques—so you can choose the right solution for your workload.