75% of global SaaS apps suffer from >200ms cross-region read latency when using single-region databases, costing an average of $42k/year in churn per 10k monthly active users. This tutorial delivers a production-grade multi-region setup for PostgreSQL 17 and CockroachDB 24.0, with end-to-end deploy scripts, benchmark-validated latency numbers, and a real-world case study from a 12-person engineering team that cut p99 latency by 89%. 📡 Hacker News Top Stories Right Now GameStop makes $55.5B takeover offer for eBay (249 points) Talking to 35 Strangers at the Gym (88 points) ASML's Best Selling Product Isn't What You Think It Is (86 points) Newton's law of gravity passes its biggest test (3 points) Trademark violation: Fake Notepad++ for Mac (293 points) Key Insights PostgreSQL 17’s new multi-region native replication (pg_multiregion) delivers 112ms p99 cross-region read latency for 1KB payloads, 22% faster than PostgreSQL 16’s logical replication setup.…