Stop Blaming Embeddings, Most RAG Failures Come from Bad Chunking
Everyone keeps arguing about embeddings, vector DBs, and model choice, but in real systems, those aren’t the things breaking retrieval. Chunking drift is. And almost nobody monitors it. A tiny formatting change in a PDF or HTML file silently shifts boundaries. Overlaps become inconsistent. Semantic units get split mid-thought. Headings flatten. Cross-format differences explode. By the time...