Rivestack – Dedicated PostgreSQL 18 with pgvector on NVMe storage

Summary: Rivestack offers managed PostgreSQL 18 instances with pgvector optimized on NVMe storage, featuring pre-tuned HNSW indexes, automated backups, and high availability failover. It delivers up to 2,000 QPS vector search at sub-4ms latency on a $29/month plan with no per-query fees or surprise charges.

What it does

Rivestack provides dedicated PostgreSQL 18 servers with pgvector pre-configured on NVMe drives, using Patroni for HA, pgBackRest for backups, and Prometheus for monitoring. It supports 14-day point-in-time recovery and offers free and paid tiers with varying CPU, RAM, and storage.

Who it's for

It targets developers and teams needing affordable, dedicated pgvector instances for applications like semantic search or retrieval-augmented generation without the high costs of hyperscaler platforms.

Why it matters

Rivestack addresses the high cost and resource sharing limitations of existing managed pgvector services by providing dedicated, performant instances at a lower price point.