IVF (Inverted File) Index

Master IVF: cluster-then-search ANN that scales to billions of vectors. Learn nlist, nprobe, IVF+PQ, and the patterns for very large vector DBs.

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6

Lessons

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Code Examples

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Lessons in This Topic

Work through these 6 lessons in order, or jump to whichever topic you need most.

IVF Intuition

Intermediate

Choosing nlist

Intermediate

Tuning nprobe

Intermediate

IVF + Product Quantization

Advanced

IVF vs HNSW

Intermediate

IVF at Billion Scale

Advanced