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semi-synchronous replication

6 articles · Page 1 of 1
Random Bulletin
Random Bulletin
Jun 27, 2026 · Operations

Cross‑Data‑Center Replication at Ten‑Million QPS: From Async to Semi‑Sync and How to Choose

The article examines why cross‑datacenter replication must evolve from simple asynchronous copying to semi‑synchronous and layered strategies at the ten‑million‑QPS scale, detailing latency, RPO, bandwidth costs, failover complexities, and practical selection guidelines for each business tier.

asynchronous replicationbandwidth optimizationcross-datacenter replication
0 likes · 17 min read
Cross‑Data‑Center Replication at Ten‑Million QPS: From Async to Semi‑Sync and How to Choose
Xiaohongshu Tech REDtech
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
Aikesheng Open Source Community
Aikesheng Open Source Community
Jul 23, 2021 · Databases

Implementing Conversion Between MySQL Group Replication (MGR) and Semi‑Synchronous Replication

This guide demonstrates how to switch a MySQL 5.7.32 deployment between Group Replication (MGR) and semi‑synchronous replication, covering environment checks, node configuration, plugin installation, replication setup, validation, and the limitations encountered when combining the two modes.

ConfigurationGroup ReplicationMySQL
0 likes · 9 min read
Implementing Conversion Between MySQL Group Replication (MGR) and Semi‑Synchronous Replication