PostgreSQL pooler with sharding, load balancing and failover support
...Written in Rust, PgCat is designed to efficiently manage database connections across multiple shards and replicas while supporting features like automatic failover, query-based routing, and observability. It works with both single-node and multi-tenant Postgres setups, making it ideal for cloud-native applications that require scale and reliability.
PostgreSQL connection pooler, load balancer and database sharder
...Its architecture supports modern infrastructure patterns, making it suitable for cloud-native and microservices deployments. pgDog also emphasizes operational simplicity, providing configuration mechanisms that allow teams to adjust routing behavior without deep changes to application code. In practice, the tool helps organizations scale PostgreSQL clusters while maintaining reliability and predictable performance under load.