In 2026, Netflix’s monolith-to-microservices migration cost $42M in engineering hours, while Amazon’s reverse shift from microservices to modular monolith saved $18M annually in infrastructure spend. The 'right' architecture isn’t a trend—it’s a math problem. 📡 Hacker News Top Stories Right Now Credit cards are vulnerable to brute force attacks (40 points) Ti-84 Evo (62 points) New research suggests people can communicate and practice skills while dreaming (112 points) Ask HN: Who is hiring? (May 2026) (193 points) Show HN: Destiny – Claude Code's fortune Teller skill (18 points) Key Insights Netflix’s 2026 microservices stack (Spring Boot 3.4, Kubernetes 1.32) handles 12.8M requests/sec with p99 latency of 89ms, 3x faster than their 2022 monolith baseline. Amazon’s 2026 modular monolith (Java 21, GraalVM 23.1, PostgreSQL 16) processes 9.2M orders/sec with 62% lower infrastructure cost than their 2023 microservices deployment.…