Pgpool-II on Debian 13

Pgpool-II is an open-source middleware and connection pooler for PostgreSQL databases. It provides features such as connection pooling, load balancing, and high availability, enabling applications to efficiently manage database connections and improve performance. Pgpool-II is designed for backend and programmatic use, making it suitable for enterprise, DevOps, and data-driven applications that require reliable and scalable PostgreSQL clusters.

Features of Pgpool-II:

• Connection pooling to reduce overhead from creating new database connections.
• Load balancing for distributing read queries across multiple PostgreSQL replicas.
• Automatic failover and high availability for PostgreSQL clusters.
• Supports authentication and security mechanisms like SCRAM and MD5.
• Query caching and replication management for optimized performance.
• Monitors backend nodes and handles failover seamlessly.

To check Pgpool-II version and status:

$ pgpool --version

$ sudo systemctl status pgpool2

Disclaimer: Pgpool-II is open-source software distributed under the PostgreSQL License. It is provided "as is," without any warranty, express or implied. Users utilize this software at their own risk. The developers and contributors hold no responsibility for any damages, losses, or consequences resulting from the use of this software. Users are advised to carefully review and comply with licensing terms and applicable regulations while using Pgpool-II.