NNextCTLinnextctl.hashnode.dev·1d ago · 9 min readProduction RAG: Chunking, Retrieval Evaluation, and Why Most RAG Demos Fail in ProductionRetrieval-augmented generation looks easy in a demo. Load a few PDFs, split them into chunks, embed them, store the vectors, retrieve the top five, and ask a model to answer. On ten hand-picked questi00