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A comment on Ask HN: Alternatives to Vector DB?. Parent comment

Re:Ask HN: Alternatives to Vector DB? by bschmidt80 on Tuesday March 18, 2025 @02:22PM (#43402865)
LlamaIndex VectorStoreIndex defaults to in-memory which allows you to get up and running very quickly - had pretty great experiences with their TS repo and even contributed a little to it.

fromDocuments -> VectorStoreIndex -> asQueryEngine it will be in-memory.

Easily add pgvector as other recommend here when/if you need to persist embedded data.

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