Vector Database Indexing: HNSW vs IVF

Understand vector indexing algorithms.

Choose the right index for your use case.

Index Types

HNSW: Hierarchical Navigable Small World

IVF: Inverted File Index

Flat: Exact search

HNSW

✅ Fast search

✅ High accuracy

❌ More memory

IVF

✅ Less memory

✅ Fast search

❌ Training required

When to Use

HNSW: When speed matters

IVF: When memory is limited

Conclusion

Choose based on speed vs memory tradeoff!

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