pgvector HNSW Postgres 18 Production Tuning Tutorial 2026
May 16, 2026
Tune pgvector 0.8.2 HNSW indexes on PostgreSQL 18: ef_search, halfvec quantization, iterative scans, and parallel builds with a runnable Docker setup.
#vector-search
Embedding Models Compared: From Word2Vec to Modern Transformers
February 23, 2026
Embedding models compared: Word2Vec, GloVe, BERT, OpenAI text-embedding-3, Cohere v3, and open-source (BGE, E5). Dimensions, retrieval quality, and cost.