JD Cloud Developers

Oct 12, 2023 · Databases

How to Handle MySQL Replication Lag in Read/Write Splitting Architectures

This article explains the reasons for read/write splitting, compares direct‑client and proxy‑based master‑slave setups, and presents five practical strategies—including forcing reads to the master, sleep delays, lag checks, master‑position waiting, and GTID waiting—to mitigate stale reads caused by MySQL replication lag.