Lobster Programming

Aug 3, 2026 · Databases

How to Eliminate MySQL Master‑Slave Lag: Parallel Replication, Read‑Routing, and Redis Marking

To address MySQL master‑slave replication lag, the article explains enabling parallel replication (setting slave_parallel_workers), routing reads to the master for latency‑sensitive operations, and using a Redis short‑term marker to direct recent writes to the master, while outlining configuration steps and trade‑offs.