Files
inventory/inventory-server/scripts/metrics/utils/db.js

51 lines
1.2 KiB
JavaScript

const mysql = require('mysql2/promise');
const path = require('path');
require('dotenv').config({ path: path.resolve(__dirname, '../../..', '.env') });
// Database configuration
const dbConfig = {
host: process.env.DB_HOST,
user: process.env.DB_USER,
password: process.env.DB_PASSWORD,
database: process.env.DB_NAME,
waitForConnections: true,
connectionLimit: 10,
queueLimit: 0,
// Add performance optimizations
namedPlaceholders: true,
maxPreparedStatements: 256,
enableKeepAlive: true,
keepAliveInitialDelay: 0,
// Add memory optimizations
flags: [
'FOUND_ROWS',
'LONG_PASSWORD',
'PROTOCOL_41',
'TRANSACTIONS',
'SECURE_CONNECTION',
'MULTI_RESULTS',
'PS_MULTI_RESULTS',
'PLUGIN_AUTH',
'CONNECT_ATTRS',
'PLUGIN_AUTH_LENENC_CLIENT_DATA',
'SESSION_TRACK',
'MULTI_STATEMENTS'
]
};
// Create a single pool instance to be reused
const pool = mysql.createPool(dbConfig);
async function getConnection() {
return await pool.getConnection();
}
async function closePool() {
await pool.end();
}
module.exports = {
dbConfig,
getConnection,
closePool
};