How to load the server less when running nodejs web-app?

Question

Node.js

There is a 200KB-500KB text file, the contents of this file will be processed by several nodejs modules on the server.
Question: which is better, read the file once and pass its contents from module to module for manipulation, or read / write the file in each module?

Answer 1

you can create a stream and pass it through pipe()
https://nodejs.org/api/stream.html