date: "2026-05-14" stories: - title: Upgrade strategies for Amazon RDS for MySQL 8.0 to 8.4 url: https://aws.amazon.com/blogs/database/upgrade-strategies-for-amazon-rds-for-mysql-8-0-to-8-4/ source: AWS Database Blog author: Shagun Arora created_at: "2026-05-14T15:57:59Z" - title: Best practices for upgrading Amazon RDS for MySQL 8.0 to 8.4 with prechecks, Blue/Green, and rollback url: https://aws.amazon.com/blogs/database/best-practices-for-upgrading-amazon-rds-for-mysql-8-0-to-8-4-with-prechecks-blue-green-and-rollback/ source: AWS Database Blog author: Nicky Hsu created_at: "2026-05-14T15:57:52Z" - title: 'April 2026 Recap: Azure Database for PostgreSQL' url: https://techcommunity.microsoft.com/t5/microsoft-blog-for-postgresql/april-2026-recap-azure-database-for-postgresql/ba-p/4519772 source: Azure Database for PostgreSQL author: gauri-kasar created_at: "2026-05-14T15:33:33Z" - title: How HotelTrader cut inter-AZ cost 95% and latency by 49% with Valkey GLIDE on Amazon ElastiCache url: https://aws.amazon.com/blogs/database/how-hoteltrader-cut-inter-az-cost-95-and-latency-by-49-with-valkey-glide-on-amazon-elasticache/ source: AWS Database Blog author: Sundeep Kumar S created_at: "2026-05-13T19:50:39Z" - title: 'Zero-downtime DynamoDB construct migration: from Table to TableV2 with cdk orphan' url: https://aws.amazon.com/blogs/database/zero-downtime-dynamodb-construct-migration-from-table-to-tablev2-with-cdk-orphan/ source: AWS Database Blog author: Lee Hannigan created_at: "2026-05-13T17:44:02Z" - title: 'Oppositional Federalism: A Taxonomy of State Constitutional Postures Under' url: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6416178 source: HackerNews hn_url: https://news.ycombinator.com/item?id=48130265 points: 5 author: hkhn created_at: "2026-05-14T02:00:05Z" - title: 'Show HN: Petri – Drop-in Postgres image that forks a DB per test' url: https://github.com/taktekhq/petri source: HackerNews hn_url: https://news.ycombinator.com/item?id=48129073 points: 4 author: nizarmah created_at: "2026-05-13T23:32:06Z" - title: 'AionDB: PostgreSQL-compatible SQL, graph, and vector database in Rust' url: https://aiondb.xyz/ source: HackerNews hn_url: https://news.ycombinator.com/item?id=48132667 points: 3 author: ayoubnabil created_at: "2026-05-14T08:40:01Z" - title: PgGraph – Graph database superpowers for your existing Postgres data url: https://docs.evokoa.com/pggraph source: HackerNews hn_url: https://news.ycombinator.com/item?id=48134507 points: 2 comments: 1 author: pella created_at: "2026-05-14T12:35:39Z" - title: 'Show HN: CrowdRank – live leaderboards for internet arguments' url: https://crowdrank.app source: HackerNews hn_url: https://news.ycombinator.com/item?id=48133854 points: 1 author: Skinless1501 created_at: "2026-05-14T11:19:59Z"