Caching is an essential technique to improve the performance and scalability of Node.js applications.
There are several caching strategies you can use in Node.js to optimize your application's performance:
1. Node Js built-in cache
2. Redis Caching
3. Content Delivery Network (CDN) Caching
4. Database Query Result Caching
//Build in
const cache = {};
function getCachedData(key) {
return cache[key];
}
function setCachedData(key, value) {
cache[key] = value;
}
//Redis caching
const redis = require('redis');
const client = redis.createClient();
client.set('key', 'value');
client.get('key', (err, reply) => {
console.log(reply); // 'value'
});
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