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Featured image for article: End-to-End System Evaluation: The Stress Test of GraphRAG
Jan 5, 2026 end-to-end testing system-level evaluation error compounding GraphRAG benchmarking integration testing developer workflow simulation holistic AI metrics

End-to-End System Evaluation: The Stress Test of GraphRAG

Individual layers may pass, but systems often fail at the seams. This blog details how to conduct holistic 'System-in-the-Loop' tests, measuring how retrieval noise compounds into generation errors across 25+ repositories. We provide a blueprint for evaluating the full journey from a vague natural language query to a multi-repo pull request.