News — 2026-05-14

• Upgrade strategies for Amazon RDS for MySQL 8.0 to 8.4
  AWS Database Blog · by Shagun Arora
• Best practices for upgrading Amazon RDS for MySQL 8.0 to 8.4 with prechecks, Blue/Green, and rollback
  AWS Database Blog · by Nicky Hsu
• April 2026 Recap: Azure Database for PostgreSQL
  Azure Database for PostgreSQL · by gauri-kasar
• How HotelTrader cut inter-AZ cost 95% and latency by 49% with Valkey GLIDE on Amazon ElastiCache
  AWS Database Blog · by Sundeep Kumar S
• Zero-downtime DynamoDB construct migration: from Table to TableV2 with cdk orphan
  AWS Database Blog · by Lee Hannigan
• Oppositional Federalism: A Taxonomy of State Constitutional Postures Under
  HackerNews · 5 points · by hkhn · HN discussion
• Show HN: Petri – Drop-in Postgres image that forks a DB per test
  HackerNews · 4 points · by nizarmah · HN discussion
• AionDB: PostgreSQL-compatible SQL, graph, and vector database in Rust
  HackerNews · 3 points · by ayoubnabil · HN discussion
• PgGraph – Graph database superpowers for your existing Postgres data
  HackerNews · 2 points · 1 comments · by pella · HN discussion
• Show HN: CrowdRank – live leaderboards for internet arguments
  HackerNews · 1 points · by Skinless1501 · HN discussion