Pgpool-II on Ubuntu24.04

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

Features of Pgpool-II:

• Connection pooling to reduce the overhead of establishing new database connections.
• Load balancing to distribute read queries across multiple PostgreSQL replicas.
• Automatic failover and high availability support for PostgreSQL clusters.
• Support for authentication and security mechanisms such as SCRAM and MD5.
• Query caching and replication management for improved database performance.
• Backend node monitoring with seamless failover handling.

Usage Instruction

Enable and Start service:
$sudo systemctl enable pgpool2
$sudo systemctl start pgpool2

Check version: $pgpool --version

Check status: $sudo systemctl status pgpool2

Disclaimer: Pgpool-II is open-source software distributed under the PostgreSQL License. It is provided "as is" without any express or implied warranty. Users utilize this software at their own risk. The developers and contributors are not responsible for any damages, data loss, or other consequences resulting from the use of this software. Users are advised to review and comply with all applicable licensing terms, security practices, and regulations before deploying Pgpool-II in production environments.