intermediateETL Pipeline for RAG Ingestion
What happens if you re-run ingestion on updated source documents without a strategy for it?
Without de-duplication or an update strategy, you either accumulate duplicate stale chunks alongside the fresh ones (degrading retrieval quality since outdated info can still be retrieved) or you have to fully wipe and re-embed everything on every change, which is wasteful — most pipelines track a content hash per chunk to only re-embed what actually changed.
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