---
title: "Comment by Hu xinya on \"Why Your Node.js App Freezes (And How Worker Threads Can Save You)\" | Hashnode"
description: "Oof, this hit home. I once had a real-time dashboard stall because a user exported a large dataset. Moving that CSV generation to a Worker Thread was the exact"
url: "https://hashnode.com/posts/why-your-nodejs-app-freezes-and-how-worker-threads-can-save-you/68018214a7e17df949bc335d/comment/69e6ed6b36e43bcdf89ae679"
---

[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)

[Apr 21](https://hashnode.com/posts/why-your-nodejs-app-freezes-and-how-worker-threads-can-save-you/68018214a7e17df949bc335d/comment/69e6ed6b36e43bcdf89ae679)

Oof, this hit home. I once had a real-time dashboard stall because a user exported a large dataset. Moving that CSV generation to a Worker Thread was the exact fix, just like you outlined. Great, practical explanation of the event loop blockage.