What is connection pooling in Node.js with Knex?

What is connection pooling in Node.js with Knex?

Connection pooling is a technique used to manage database connections efficiently. In Node.js with Knex, it allows multiple requests to share a limited number of database connections, improving performance and resource utilization.

How do I set up connection pooling in Knex?

To set up connection pooling in Knex, you can configure the pool settings in your Knex configuration object. For example:

const knex = require('knex')({
  client: 'pg',
  connection: {
    host: '127.0.0.1',
    user: 'your_user',
    password: 'your_password',
    database: 'your_db'
  },
  pool: {
    min: 2,
    max: 10
  }
});

What are the benefits of using connection pooling?

The benefits of using connection pooling include reduced connection overhead, improved application performance, and better resource management. It allows your application to handle more concurrent requests without overwhelming the database.

Can I customize the pool settings?

Yes, you can customize the pool settings in Knex by adjusting parameters like min, max, and acquireTimeout to suit your application's needs.