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Conversational RAG with Chat History (ANSWERED)

Scenario BasedRAGMedium15 min read

Medium RAG interview question on conversational rag with chat history — architecture, trade-offs, eval, and production patterns.

TL;DR — Quick Answer

Rewrite or summarize chat history into a standalone retrieval query each turn; retrieve fresh documents per turn; keep citations tied to evidence chunks, not conversational filler. Avoid embedding entire chat logs as the search query.

The Interview Question

Explain conversational rag with chat history. How would you design, implement, and evaluate this in a production RAG system? Discuss trade-offs and failure modes.

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