What is connection pooling in Node.js applications?

What is connection pooling in Node.js applications?

Connection pooling is a technique used to manage database connections efficiently. It allows multiple requests to share a limited number of connections, reducing the overhead of establishing new connections.

How does it improve performance?

It improves performance by reusing existing connections instead of creating new ones for each request, which saves time and resources.

Can you give me an example of how to implement it?

Sure! You can use libraries like pg-pool for PostgreSQL or mysql2 for MySQL in Node.js to set up connection pooling easily.

What are the potential downsides of using connection pooling?

Potential downsides include connection leaks if not managed properly and the need for careful configuration to avoid bottlenecks.