Google Spanner Omni 正式 GA，以软件替代原子钟与文件系统
原标题：Spanner Omni Reaches GA, Replacing Google's Atomic Clocks and File System with Software
AI 摘要
Google 宣布 Spanner Omni 正式 GA，这是其分布式 SQL 数据库的可部署到任意环境的版本，可运行在客户自建数据中心、其他云或笔记本上。为脱离 Google 基础设施，Google 用软件方案替代了 Colossus 分布式文件系统和基于原子钟与 GPS 的 TrueTime 时钟服务，但不再提供可用性 SLA。早期采用者将其用于热冷故障转移、统一数据库层和本地现代化等场景，Mercado Libre 强调其跨云韧性价值。
正文节选
Google has made Spanner Omni generally available, a deploy-anywhere version of its distributed SQL database that runs in a customer's own data center, on other clouds, or on a laptop. Getting Spanner off Google's infrastructure meant replacing the two components it depended on most: Colossus, the distributed file system, and TrueTime, the clock service built on atomic clocks and GPS. What does not come with it is an availability SLA. The engineering is the part Google describes most plainly. In