Building a Production-Grade RAG Engine with LangChain, Postgres, and HNSW Indexing.
Most RAG systems suffer from duplicate records and slow retrieval as they grow. This robust RAG orchestrator solves the most common 'Day 2' database challenges. By integrating the langchain SQLRecordManager for duplicate vector embedding prevention and PGVECTOR’s HNSW indexing for high-speed retrieval, the system ensures data integrity and performance at scale. It features an interactive CLI for seamless document ingestion with surgical cleanup of old records, and optimized Q&A over multiple...