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Apr 20, 2026 · Artificial Intelligence
Designing a Scalable RAG Storage Architecture: Lessons from a Real‑World Project
The article explains why RAG storage must be layered, describes the four data types involved, presents a typical three‑layer architecture with vector, content, and metadata stores, and shows how the design evolves with scale, multi‑level indexing, update handling, and tenant isolation.
Chunk IndexingElasticsearchMilvus
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