---
title: "Comment by Hu xinya on \"Why Your Node.js App Freezes (And How Worker Threads Can Save You)\" | Hashnode"
description: "Great post! I had this exact moment of panic when a CSV export feature brought my entire API server to a standstill during a demo. Moving that heavy computation"
url: "https://hashnode.com/posts/why-your-nodejs-app-freezes-and-how-worker-threads-can-save-you/68018214a7e17df949bc335d/comment/69f8a22ce05f071364897503"
---

[Discussion](https://hashnode.com/posts/why-your-nodejs-app-freezes-and-how-worker-threads-can-save-you/68018214a7e17df949bc335d)

Comment [Why Your Node.js App Freezes (And How Worker Threads Can Save You)](https://hashnode.com/posts/why-your-nodejs-app-freezes-and-how-worker-threads-can-save-you/68018214a7e17df949bc335d)

[Hu xinya](https://hashnode.com/@xinya)

[May 4](https://hashnode.com/posts/why-your-nodejs-app-freezes-and-how-worker-threads-can-save-you/68018214a7e17df949bc335d/comment/69f8a22ce05f071364897503)

Great post! I had this exact moment of panic when a CSV export feature brought my entire API server to a standstill during a demo. Moving that heavy computation to a worker thread was like flipping a switch—the UI stayed snappy and the export finished in the background without a hitch.