PgCat is a high-performance PostgreSQL connection pooler and load balancer built for modern, distributed systems. 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.

Features

  • Load balancing across Postgres replicas
  • Connection pooling for improved efficiency
  • Sharding support with per-shard configuration
  • Automatic failover and health checks
  • Query routing based on read/write type
  • Built-in metrics and observability tools

Project Samples

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Categories

Database

License

MIT License

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Additional Project Details

Operating Systems

Linux, Mac, Windows

Programming Language

Rust

Related Categories

Rust Database Software

Registered

2025-06-04