KNOWLEDGE, EMBEDDINGS & RAG • 118 / 397
Teach models to look up relevant information before answering.
Vector Index
A vector index is a data structure that speeds up similarity search over embeddings.
Think of it like
Think of Vector Index like a library system: instead of memorizing every book, find the right shelf and bring only the useful pages to the desk.
Real life
Search engines and recommendation systems use ideas related to Vector Index.
SRE lens
Index tuning trades recall, memory and latency.
Remember thisA vector index is a data structure that speeds up similarity search over embeddings.