Christophe Pettus: Managed Postgres, Examined: Amazon RDS for PostgreSQL

28 Apr 2026 13 min read Categories: PostgreSQL Managed Postgres, Examined: Amazon RDS for PostgreSQL First in a series of dispassionate surveys of the major managed-Postgres offerings. This post is about Amazon RDS for PostgreSQL — what AWS calls “traditional RDS,” as distinct from Aurora PostgreSQL, which is a separate product with a separate architecture and will get its own post. Overview Amazon RDS for PostgreSQL is the oldest and most widely deployed managed-Postgres product in the market. The architecture is straightforward: AWS runs community PostgreSQL, unmodified, on an EC2 instance that you don’t have shell access to, backed by EBS storage, with a control plane that handles provisioning, patching, backups, monitoring, and failover.

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Excerpt limited to ~120 words for fair-use compliance. The full article is at Postgr.