Instruction: Describe how you would keep a RAG system current without paying the cost of constant full reindexing.
Context: Assesses whether the candidate can design a practical architecture and explain the main tradeoffs. Describe how you would keep a RAG system current without paying the cost of constant full reindexing.
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The way I'd approach it in an interview is this: My freshness strategy would start with document identity, versioning, and invalidation. Every retrievable unit needs to map back to a canonical document and version state so the system can update or remove only what changed. That is the foundation for avoiding...
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