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PostgreSQL & pgvector

Vector search, hybrid retrieval, and HNSW indexing with PostgreSQL

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All (44)Fundamentals2Architecture & Patterns2Best Practices6Research Papers10Repositories & Tools7PostgreSQL & pgvector5Neo4j & Knowledge Graphs6Evaluation & Benchmarks2Enterprise Use Cases3Alternatives & Ecosystem1

Embedding Models for GraphRAG: Selection and Benchmarks

Comparison of embedding models for GraphRAG vector search.

articleMultiple Benchmarks(2025)
embeddingsmodelsbenchmark

pgvector Best Practices: HNSW Indexing and Configuration

Comprehensive guide to pgvector index selection, HNSW configuration, and performance optimization.

best practicepgvector GitHub / AWS Blog(2025)
pgvectorhnswivfflat

PostgreSQL Schema Design for GraphRAG

Recommended PostgreSQL schema patterns for storing documents, embeddings, entities, and relationships.

best practiceIndustry Best Practice(2025)
schemadatabase-designembeddings

Scaling pgvector: From Thousands to Millions of Vectors

Strategies for scaling pgvector from small datasets to millions of vectors.

best practicepgvector Community / AWS Blog(2025)
pgvectorscalingpartitioning

Hybrid Search: Combining pgvector with Full-Text Search

Implementation guide for combining pgvector semantic search with PostgreSQL full-text search using RRF.

tutorialJonathan Katz(2024)
hybrid-searchrrffull-text-search