I wanted something simple and easy to setup for RAG
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.
Always fascinated to hear why people are using vector DBs, especially outside AI embeddings