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Debug Poor Answers in a RAG System: Retrieval First

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AI & Agents advanced 9 min read $0.01 Updated 2026-10-19

A stepwise method to find why a retrieval-augmented system answers badly: check whether the right chunk exists, whether it is retrieved, whether it is ranked and packed into context, then tune chunking, hybrid search, reranking and build a small evaluation set.

The model answers wrongly or says it does not know, though the documents contain the answer. Check retrieval before blaming the model: chunking, embeddings, filters, ranking and context assembly.

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#rag#retrieval#embeddings#chunking#evaluation

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