RPO=0 — 2 Technical Articles

Aug 31, 2025 · Databases

Achieving RPO=0: Lightweight Binlog Server Boosts MySQL Replication to Zero Data Loss

To prevent costly data loss during database failures, the XiaoHongShu team designed a resource‑efficient Binlog Server that doubles half‑sync replication speed to over 300 MB/s, enables automatic data recovery without manual intervention, and ensures RPO = 0 across fully deployed MySQL clusters.

Binlog ServerDatabase EngineeringMySQL

0 likes · 17 min read

Achieving RPO=0: Lightweight Binlog Server Boosts MySQL Replication to Zero Data Loss

Xiaohongshu Tech REDtech

Aug 7, 2025 · Databases

Achieving RPO=0: How XiaoHongShu’s Binlog Server Boosts MySQL Replication Speed and Data Consistency

This article explains how XiaoHongShu’s database team built a lightweight Binlog Server to accelerate semi‑synchronous MySQL replication beyond 300 MB/s, achieve RPO=0 data‑loss‑free failover, and improve high‑availability without manual intervention, backed by performance tests and detailed architecture diagrams.

Binlog ServerMySQLRPO=0

0 likes · 15 min read

Achieving RPO=0: How XiaoHongShu’s Binlog Server Boosts MySQL Replication Speed and Data Consistency