Jan Wieremjewicz：PostgreSQL 主动-主动复制，你真的需要吗？
PostgreSQL active-active replication, do you really need it? Before we start, what is active-active? Active-active, also referred to as multi-primary, is a setup where multiple database...
主动-主动（multi-primary）配置允许多个数据库节点同时写入，主要挑战是解决并发写入冲突。亚马逊开源的pgactive扩展提供了解决方案，但实施较为复杂。适用场景包括跨区域业务连续性、区域故障时的写入可用性及迁移遗留架构等。选择时需谨慎，确保有合理需求。
