Topic: vector database retrieval

Stop stuffing PDFs into a vector store and hoping for the best. Last month, I watched a RAG pipeline leak a server password because the retrieval layer couldn't distinguish between two similar documents. It wasn't an LLM hallucination—it was a failure of the architecture. This 7,500-word deep dive dismantles the "PDF-stuffing" myth and introduces the Library Card Method: a 2026 approach to local document intelligence that prioritizes precise chunking over raw volume. This is the blueprint for ...