Tag
Backend
2 posts tagged Backend.
Spanner: What Google's Globally-Distributed Database Paper Actually Says
Spanner achieves external consistency across a globally-distributed database using atomic clocks and GPS receivers. The insight isn't exotic hardware — it's that bounded clock uncertainty lets you make a specific, provable guarantee about transaction ordering that 'eventually consistent' databases can't offer.
Zanzibar: What Google's Authorization Paper Actually Says
Google serves 10M authorization checks per second with 3ms p95 latency. The paper behind it — Zanzibar — introduces a consistency mechanism called zookies that nobody talks about, and a data model that's quietly become the industry standard for permission systems.