News — 2026-04-21

• Ring’s Billion-Scale Semantic Video Search with Amazon RDS for PostgreSQL and pgvector
  AWS Database Blog · by Alexander Onbysh
• How Retail at Scale Exposes Data Architecture Limitations
  Yugabyte · by Yugabyte Team
• Aurora Serverless: Faster performance, enhanced scaling, and still scales down to zero
  AWS Database Blog · by Jiaming Yan
• Getting started with the Oracle Database@AWS high performance networking
  AWS Database Blog · by Sameer Malik
• Show HN: MCPfinder – An MCP server that finds and installs other MCP servers
  HackerNews · 7 points · by coderai · HN discussion
• Turing Award Winner - Mike Stonebraker: Postgres, Disagreeing with Google [video]
  HackerNews · 4 points · by abkolan · HN discussion
• Capture and replay Postgres workload at scale
  HackerNews · 2 points · 1 comments · by TheMadHatter76 · HN discussion
• Waiting for PostgreSQL 19 – Add pg_plan_advice contrib module
  HackerNews · 2 points · by tux3 · HN discussion
• Show HN: pg_roast – A Postgres extension that harshly judges your database
  HackerNews · 2 points · 1 comments · by samirketema · HN discussion
• Show HN: GeoFastMapAPI – open-source Fast vector and raster server for mapmakers
  HackerNews · 2 points · by rupestre-campos · HN discussion
• Show HN: Anvil – a multi-repo AI pipeline and an MCP server for code search
  HackerNews · 1 points · by esankhan3 · HN discussion
• Ask HN: Hit Supabase's free→$25 pricing cliff. Any middle-tier options?
  HackerNews · 1 points · 2 comments · by cgozdemm · HN discussion
• Show HN: Local, agent-friendly double-entry bookkeeping and tax prep
  HackerNews · 1 points · by andrewchilds · HN discussion
• An efficient TPC-C benchmark for PostgreSQL based on C++ coroutines
  HackerNews · 1 points · 1 comments · by eivanov89 · HN discussion