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DavrosXarta's avatar
DavrosXarta
Honored Guest
3 years ago

MQDH Windows 11 eGPU Desktop Window Manager high RAM usage

Hi ... I recently bought an eGPU (Thunderbolt) dock from Ali Express to use with my computers including my Dell XPS 13 2021 ish laptop (11th Gen I7, 16GB RAM) and it seems to work well. 🙂

I had a bunch of stuff accumulated on this laptop and eventually I noticed Desktop Window Manager using a huge amount of RAM ... 3GB+ (I think it would have grabbed more if available).  I have 3x monitors on the eGPU and the laptop screen ... 3x 1080p and 1x a portrait widescreen - so I expected higher usage - especially with virtual screens and whatnot for VR stuff (incl. Immersed).  But I couldn't figure out why I was seeing such big figures.

One of the apps I had installed was the Meta PC (regular) app, and the remote PC thingy I think.

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Anyway.  My 500GB drive was about full and I thought it time to reinstall anyway - getting a 2TB drive while relatively cheap, and setting-up triple boot (2x Windows and 1x Debian for Proxmox) etc.

I've been slowly adding applications to my principle Windows OS I'm using for RDP'ng, and gaming/VR stuff (I use the eGPU on other OS's and VM's etc. for AI stuff and development).

I was adding apps over the course of a week and a bit, keeping an eye on Desktop Window Manager.  I have Virtual Desktop and Steam / Steam VR.

Yesterday I installed MQDH just to see what it was all about, pending setting up a VM for VR development.

After rebooting, the next day, I noticed my Desktop Window Manager had gone up from low 100's MB's or sub-100 MB's ... and up to 1.7GB this time.  Ah hah! I thought!

I did some Windows updates and rebooted again.  The high RAM usage persisted. (No change to start-up apps and I couldn't see any services or anything related to MQDH and I didn't start the app).

I uninstalled MQDH and rebooted.

Desktop Window Manager back to (my) normal.

So: I am very suspicious!  I'm not saying MQDH is to "blame" per se ... but I suspect some combination of what it introduces with it's installation, and what I have already, for a multi-monitor set-up on an eGPU, causes some kind of memory leak I think to occur in Windows or some of the software installed.

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