#rag
4 posts tagged rag.
RAG Finds the Candidate. The Live Store Confirms the Truth.
A search index can't be a source of truth — that's a category error, not just a bug. The general rule for any vector or search index sitting in front of a live data store.
Why the Same Bug Kept Creating New Incidents (And What That Taught Me About RAG)
Three layers of dedup. Four independent failure modes that all had to fire simultaneously. The compound bug that exposed them, and the principle that makes it not happen again.
Why My AI Agent Kept Adding Null Checks Instead of Fixing the Bug
Five PRs to teach a fix-generation pipeline that the crash site is almost never the fix site. The producer/consumer distinction, RAG's structural blind spot, and what it took to find the actual bug.
The Three Camps of Retrieval Architecture: A Practical Guide
Improved RAG, GraphRAG, Ragless. Each is right about something. Each is wrong applied to problems it wasn't designed for. A decision framework for picking the right default and extending deliberately.