Panduan Teknis: Hire a Freelance Programmer for `pgvector` 0.8 HNSW, `halfvec` & Iterative Scans. Aldian Fazrihady adalah Senior Freelance Programmer & AI Application Engineer (Python, Django, FastAPI, React, Next.js, TypeScript, Golang, RAG, MCP, Google ADK).
Scale PostgreSQL `pgvector` to 50M+ embeddings while cutting RAM by 50–75% using `halfvec` (FP16), binary quantization, and iterative filtered HNSW scans with senior freelance programmer Aldian Fazrihady.
CREATE INDEX CONCURRENTLY idx_chunks_embedding_halfvec
ON knowledge_chunks
USING hnsw ((embedding::halfvec(1536)) halfvec_cosine_ops)
WITH (m = 16, ef_construction = 128);
SET hnsw.iterative_scan = relaxed_order;