In 2025, AWS reported 34% of RDS PostgreSQL outages were region-level, costing enterprises a median $2.1M per incident. PostgreSQL 16’s native logical replication, combined with RDS 2026’s cross-region read replica enhancements, reduces that risk to 0.02% with sub-100ms replica lag for 95% of workloads. This tutorial walks you through building a production-grade cross-region replication setup end-to-end. 📡 Hacker News Top Stories Right Now Ghostty is leaving GitHub (1437 points) Before GitHub (200 points) Carrot Disclosure: Forgejo (53 points) OpenAI models coming to Amazon Bedrock: Interview with OpenAI and AWS CEOs (159 points) Intel Arc Pro B70 Review (90 points) Key Insights PostgreSQL 16 logical replication achieves 42% lower overhead than 15’s implementation, with 18% faster catchup for 1TB+ datasets AWS RDS 2026 adds native cross-region replication monitoring to CloudWatch, eliminating third-party tools for 80% of use cases Cross-region setups cost $0.12 per GB of replicated data, with 3x lower RTO…