Module 3 • Lesson 25• 40 mins
Systematize the 4 Failure Mode Groups of a RAG Product
Consolidate the 4 RAG failure types already covered (no-results, stale answer, wrong-chunk, conflicting sources) into a reusable checklist, and recognize when they stack together in practice.
Systematize the 4 RAG failure-mode groups into a pre-ship review checklist
Recognize when 2+ failure modes stack together inside a single real failure
Design required test cases for each failure group and for combined cases
Systematize the 4 Failure Mode Groups of a RAG Product
The previous four lessons each handled one type of failure in isolation (bad chunking, retrieval misses/mixes, hallucination, stale data). This lesson consolidates them into one failure-mode checklist a PM should run through before shipping any RAG feature — because in practice, requirement reviews are often unsystematic, surfacing only a few cases before stopping.