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When Graphs Are Overkill: Why We Moved Our Knowledge Graph from Neo4j to Postgres

Unoplat Code Confluence v0.22.0 migrated its knowledge graph from Neo4j to PostgreSQL. Here is the rationale, the operational wins, and the lessons learned along the way.

postgres neo4j migration knowledge-graph architecture rag scalability operational-complexity metrics embeddings self-hosted infrastructure traversal

Jay Ghiya

Jan 21, 2026