Crash after crash after crash

Bug Reports
1

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

Currently on Version: 1.7.54.

I’m genuinely curious… why is your product consuming over 50GB of memory?

I’ve got a single cursor window open with just one file, and after about 5 minutes, my Mac (M3) locks up, asks me to close some apps, and then crashes.

At first, I thought it might be because I was running a Next.JS project in the Cursor terminal, but nope, turns out just having the app open, even idle with nothing running (no files, chats, etc.) is enough to completely bog down my machine.

HOWEVER,

If I open something like Zed, or even (I can hardly believe I’m saying this) VSCode, I can work away without any issues and actually get some real work done.

So, I’d really appreciate some clarity here, because it seems like my very powerful machine is struggling with an app that’s just sitting idle.

And yes I have sent debug info to you guys too.

Steps to Reproduce

Install Version: 1.7.54.

Just leave running for some time and see your memory dissolve

Expected Behavior

I would expect to not see my machine crash from using your app

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

Currently on Version: 1.7.54.

Does this stop you from using Cursor

Yes - Cursor is unusable

2

Hey, thanks for the report. Using 50 GB of memory while idle definitely isn’t normal, and I understand how frustrating that is.

Please help us narrow this down:

Safe mode: run cursor --disable-extensions in your terminal to launch Cursor without extensions. Does the memory issue still occur?

Process breakdown: open Activity Monitor → View → All Processes, sort by Memory, and take a screenshot showing which Cursor processes are using memory (especially Renderer, Plugin, Helper).

Clear chat history: if you have long conversations, try clearing them (sometimes the renderer keeps them in memory).

What macOS version are you on?

Let me know what you find.

3

Hi deanrie, thanks for reaching out!

I’m facepalming so hard right now… safe mode worked like a treat so now I just need to run through all of my extensions and try to remember which I have installed the most recently.

tldr; all gucci now, thanks :slight_smile:

1 Like