With Postgres

info@qdrant.tech (Andrey Vasnetsov) — Mon, 01 Jan 0001 00:00:00 +0000

Keeping Postgres and Qdrant in Sync

If you’ve migrated your vectors to Qdrant but still use Postgres as your source of truth, the next challenge is keeping both systems in sync as data changes.

This guide covers three progressively robust sync architectures — from simple application-level dual-writes to production-grade Change Data Capture — with working code, failure mode analysis, and clear guidance on when to use each.

Not sure if you need a dedicated vector store alongside Postgres? Read our pgvector tradeoffs blog post to understand the six conditions under which pgvector is sufficient — and when you’ll outgrow it.

Data Synchronization on Qdrant - Vector Search Engine

With Postgres

Keeping Postgres and Qdrant in Sync