Inside Cloud Spanner and the CAP Theorem | Google Cloud Blog

Building systems that manage globally distributed data, provide data consistency and are also highly available is really hard. The beauty of the cloud is that someone else can build that for you. The CAP theorem says that a database can only have two of the three following desirable properties: C: consistency, which implies a single value for shared data A: 100% availability, for both reads and up

[tamaxyo]

“The beauty of the cloud is that someone else can build that for you”

[deeeet]

すげえなあ

[ono_matope]

「100%のAvailabilityとC+Pを両立することはできないが、十分に高いAとC,Pを両立することは可能だ。そしてGoogleのインフラの可用性はとても高い」とのこと。

[Jxck]

Spanner における CAP 定理

[kimutansk]

将来的にTrueTimeもCloud上のAPIとして提供し、時間をベースとした全順序化が出来るようになる・・・？