Tag

#database

3 articles

Core Patterns • April 8, 2025 • 5 min read

Database per Service — What It Really Costs (and Why It's Worth It)

The most-preached and least-followed rule of microservices. Why teams bend it, what breaks when they do, and the practical patterns for keeping services data-independent.

microservices database

Highload • January 11, 2024 • 4 min read

Postgres at Scale — How Far You Can Push a Single Node

The optimizations that let one Postgres instance handle tens of thousands of transactions per second, and the signs that it's time to think beyond a single node.

postgres scaling

Real Domains • April 29, 2022 • 5 min read

Banking Ledger Design — Patterns That Actually Hold Up

The data models and constraints that make a banking ledger both performant and provably correct, learned the hard way over several years of building them.

banking ledger