What are some popular connection pooling libraries for Node.js?

What are some popular connection pooling libraries for Node.js?

Some popular connection pooling libraries for Node.js include 'node-postgres', 'mysql2', and 'generic-pool'. They help manage database connections efficiently.

How do I implement connection pooling with node-postgres?

To implement connection pooling with node-postgres, you can use the 'Pool' class. Here's a basic example:

const { Pool } = require('pg');
const pool = new Pool({
  user: 'your_user',
  host: 'localhost',
  database: 'mydb',
  password: 'secret',
  port: 5432,
});

pool.query('SELECT NOW()', (err, res) => {
  console.log(err ? err.stack : res.rows[0]);
  pool.end();
});

What are the benefits of using connection pooling?

Connection pooling improves performance by reusing existing connections, reducing the overhead of establishing new connections, and managing resources more efficiently.

Can you compare node-postgres with mysql2 for connection pooling?

Sure! Both libraries offer connection pooling, but node-postgres is specifically for PostgreSQL, while mysql2 is optimized for MySQL. The choice depends on your database.