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.
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.
This article explains how Booking.com solved MySQL master‑to‑hundreds‑of‑slaves bandwidth limits by introducing a Binlog Server component, detailing its design, advantages over traditional relay‑master setups, and multiple deployment scenarios for high‑availability and cross‑region replication.
The article presents the Binlog Server, a component that replaces intermediate masters in MySQL replication topologies to reduce network saturation, simplify disaster recovery, and improve high‑availability while supporting large numbers of slaves across remote sites.
