fromMedium
5 hours agoIVF vs HNSW Indexing in Milvus
Brute-force exact search guarantees perfect recall but scales at O(n · d) per query, making it totally impractical at the scale modern applications demand. This is where Approximate Nearest Neighbor (ANN) indexes come into play: they trade a small amount of recall for dramatic speedups, often achieving over 95% recall at up to 100× higher throughput.
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