Whenever we need an in-memory cache in Node. js, 99% of us do the exact same thing: npm install lru-cache . It’s muscle memory.
Source: [Dev.to](https://dev.to/jeongseop_byeon_9d8f61627/stop-defaulting-to-lru-how-i-built-a-155m-opssec-s3-fifo-cache-for-nodejs-by-hacking-v8-36pb)