Caching improves latency and cost but can violate access or serve stale knowledge if keys are weak.
RAG ARCHITECTUREENTERPRISE AI ARCHITECTURE
RAG Caching
RAG caching can reuse retrieval results or final responses when correctness, permissions and freshness permit it.
Cache keys include tenant, permission context, query normalization and source-version state.
What event invalidates cached knowledge?
REMEMBERCache only when authorization and freshness are part of the key.
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