---
title: "Discussion on \"The I/O Bottleneck: Conquering Asynchrony in Node.js\" | Hashnode"
description: "Discussion on \"The I/O Bottleneck: Conquering Asynchrony in Node.js\". Node.js is single-threaded, yet it can handle thousands of concurrent users. Here is how callbacks and Promises make its non-blocking architecture possible."
url: "https://hashnode.com/posts/conquering-asynchrony-in-node-js/6a00c199e3eebc2e20ad6e40"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [The I/O Bottleneck: Conquering Asynchrony in Node.js](https://blog.himanshubalani.com/conquering-asynchrony-in-node-js?utm_source=hashnode&utm_medium=feed)

Node.js is single-threaded, yet it can handle thousands of concurrent users. Here is how callbacks and Promises make its non-blocking architecture possible.

May 10 · 5 min read · blog.himanshubalani.com  
Read the article

-   [#nodejs](https://hashnode.com/tag/nodejs)
-   [#javascript](https://hashnode.com/tag/javascript)

## Written by

[Himanshu Balani](https://hashnode.com/@himanshubalani)

@himanshubalani · Nagpur, IN

  
[View profile](https://hashnode.com/@himanshubalani)

Making Tech Simple and Fun

CS Graduate | Technical Writing | Software development | 50K+ impressions

## Responses

Markdown supported · ⌘↵ to post

No responses yet.