TechTowards Data Scienceabout 1 hour ago
Optimize Vector Search with On-Disk ANN Indexes
1 min read
Vector search indexes at billion-scale become too expensive for RAM. On-disk ANN algorithms like SPANN and DiskANN reduce storage costs by using disk-based structures with clustered or minimized I/O, offering acceptable latency at lower cost than in-memory HNSW.
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