Advanced Node.Js: A Hands on Guide to Event Loop, Child Process and Worker Threads in Node.Js
What makes Node.js so performant and Scalable? Why is Node the technology of choice for so many companies? In this article, we will answer these questions and look at some of the advanced concepts that make Node.js unique. We will discuss:
- Event Loop ➰
- Concurrency Model 🚈
- Child Process 🎛️
- Threads and Worker Threads 🧵
JavaScript developers with a deeper understanding of Node.js reportedly earn 20% ~ 30% more than their peers. If you are looking to grow your knowledge of Node.js then this blog post is for you. Let’s dive in 🤿!!
What happens when you run a Node.js Program?
when we run our Node.js app it creates
- 1 Process 🤖
- 1 Thread 🧵
- 1 Event Loop ➰
A process is an executing program or a part of an executing program. An application can be made out of many processes. Node.js runtime, however, initiates only one process.
A thread is a basic unit to which the operating system allocates processor time. Think of threads as a unit that lets you use part of your processor.
