An Overview of Distributed PostgreSQL Architectures

Distributed PostgreSQL architectures make different trade-offs to address the operational hazards of running on a single machine. These architectures include network-attached block storage, read replicas, DBMS-optimized cloud storage, active-active setups, transparent sharding, and distributed key-value stores with SQL. Each architecture has its pros and cons, including trade-offs in terms of performance, durability, availability, and complexity.