TLDR Tech / Data
How CockroachDB Built Vector Indexing at Scale
CockroachDB built its own vector indexing system called C-SPANN to support scalable vector search because existing approaches like HNSW and IVF didn't fit its distributed architecture. C-SPANN uses a hierarchical K-means tree stored as regular table data, supports real-time inserts and deletes, and integrates natively with CockroachDB's sharding and rebalancing.
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