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Index Freshness and Staleness Windows

Staleness is a query-share number, not a corpus-share number, and the two differ by an order of magnitude or more because the documents that changed during a rebuild are the ones people are asking about. A delta index bounds the worst case to its flush interval regardless of how long the rebuild takes.

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RELATED CONCEPTS

Retrieval-Augmented Generation (RAG)Vector Databases Embedding Versions and Drift Change Data Capture (CDC)Idempotent Data Pipelines

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