SKSerhiy Kucherenkoinskucherenko.hashnode.dev·1d ago · 5 min readThe localhost trap: a 10-second database connection on WindowsEvery question in the app took about 15 seconds. The model was fast. Retrieval was fast. Ten of those seconds were hiding somewhere else, and for days I couldn't say where. The app is payments-rag, a 00
SKSerhiy Kucherenkoinskucherenko.hashnode.dev·2d ago · 5 min readWhen 60% recall meant 90% accuracy: a RAG measurement storyRetrieval recall sat at 0.60 and would not move. Hybrid search did nothing. A reranker rescued exactly one question, and cost seconds per query to do it. The number that finally explained everything c00
