Database Connection Pooling

Database connection pooling is a technique for managing and reusing database connections in applications to improve performance and resource efficiency. It involves creating a pool of pre-established connections that can be shared among multiple clients, reducing the overhead of repeatedly opening and closing connections. This approach minimizes latency, conserves system resources, and helps manage connection limits in database servers.

Also known as: Connection Pooling, DB Connection Pool, Connection Pool Management, Database Pool, Connection Reuse

Why learn Database Connection Pooling?

Developers should use connection pooling in high-traffic applications, such as web servers or microservices, where frequent database interactions occur, to avoid the performance penalty of establishing new connections for each request. It is essential in environments with limited database connections or when scaling applications to handle concurrent users efficiently, as it reduces connection setup time and prevents resource exhaustion.

Learning Resources

• docs: Oracle JDBC Connection Pooling Guide
• tutorial: PostgreSQL Connection Pooling Tutorial
• docs: HikariCP Documentation
• tutorial: Connection Pooling Explained - Baeldung
• video: Database Connection Pooling in Node.js - YouTube