Systems Engineering

Designing a Multi-Region Postgres Topology: Read Replicas, Logical Replication, and Safe Failover

Learn how to build a resilient multi-region PostgreSQL topology. Deep dive into logical replication, replication lag, geo-routing, and disaster recovery strategies.

Sachin SharmaCreator

Jun 1, 2026

5 min read

Designing a Multi-Region Postgres Topology: Read Replicas, Logical Replication, and Safe Failover

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Learn how to build a resilient multi-region PostgreSQL topology. Deep dive into logical replication, replication lag, geo-routing, and disaster recovery strategies.

Postgres Multi-Region Databases Logical Replication High Availability Database Design SaaS Infrastructure

Sachin Sharma

Software Developer

Building digital experiences at the intersection of design and code. Sharing weekly insights on engineering, productivity, and the future of tech.

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