date: "2026-04-04" stories: - title: A new Postcrossing stamp from the USA url: https://www.postcrossing.com/blog/2026/03/31/a-new-postcrossing-stamp-from-the-usa source: HackerNews hn_url: https://news.ycombinator.com/item?id=47631515 points: 8 comments: 1 author: Tomte created_at: "2026-04-03T20:04:05Z" - title: 'Show HN: Docker Alternative for Secure Microvms' url: https://news.ycombinator.com/item?id=47630810 source: HackerNews hn_url: https://news.ycombinator.com/item?id=47630810 points: 4 comments: 2 author: sankalpnarula created_at: "2026-04-03T19:11:25Z" - title: What Is a Collation, and Why Is My Data Corrupt? – PG Phridays with Shaun Thomas url: https://news.ycombinator.com/item?id=47630867 source: HackerNews hn_url: https://news.ycombinator.com/item?id=47630867 points: 3 author: pgedge_postgres created_at: "2026-04-03T19:15:35Z" - title: AWS Engineer Reports PostgreSQL Performance Halved by Linux 7.0 url: https://www.phoronix.com/news/Linux-7.0-AWS-PostgreSQL-Drop source: HackerNews hn_url: https://news.ycombinator.com/item?id=47639884 points: 2 author: mesofile created_at: "2026-04-04T15:29:52Z" - title: My 11-step GraphRAG pipeline, what worked, and what's still broken url: https://news.ycombinator.com/item?id=47639059 source: HackerNews hn_url: https://news.ycombinator.com/item?id=47639059 points: 2 author: pauliusztin created_at: "2026-04-04T13:50:22Z"