A Field Guide to RAG Failure Modes: Garbled Scans, Duplicate Chunks, and Leaky Indexes
You have been here before. The prototype demoed well. You shipped the internal Q&A tool, and within a month the chat channel about it reads like a support queue: "it answered with a paragraph from an unrelated contract," "it gave me three copies of the same page," "wait, why does this return custom…
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- 2026-10-13 05:33 · DEV Community — Machine Learning
A Field Guide to RAG Failure Modes: Garbled Scans, Duplicate Chunks, and Leaky Indexes