News — 2025-11-21

• PostGIS Performance: Data Sampling
  Crunchy Data · by Paul.Ramsey@crunchydata.com (Paul Ramsey)
• AI-Powered Postgres index suggestions
  PlanetScale · by Rafer Hazen
• How/why to sweep async tasks under a Postgres table
  HackerNews · 102 points · 38 comments · by ostler · HN discussion
• Ask HN: How would you architect a RAG system for 10M+ documents today?
  HackerNews · 23 points · 9 comments · by Ftrea · HN discussion
• Microsoft has built a new Postgres-compatible database: Horizondb
  HackerNews · 3 points · 2 comments · by rubenvanwyk · HN discussion
• AgentxSuite – Open-Source Control Plane for AI Agents Using MCP
  HackerNews · 2 points · by aliparnan · HN discussion
• Debugging Postgres autovacuum problems: tips
  HackerNews · 1 points · by saisrirampur · HN discussion
• Benchmarking Minetest modstorage using PostgreSQL
  HackerNews · 1 points · by InitEnabler · HN discussion
• Show HN: AgentsKB – 3.3k verified answers to stop agent hallucinations
  HackerNews · 1 points · by Cranot · HN discussion