Lightroom Classic 13.1 not responding with brush tool

Question

Being frustrated with Lightroom Classic performance I have a new powerful computer. For about 5 days, everything was fine. Computer has AMD Ryzen 9 7900X 12-core, Nvidia RTX4070ti, 64gb ram, 2tb M.2 drive. GPU was set to Auto. (the current system infor is in the attached file.)

Yesterday while editing a file, I selected the brush tool. The following happened.

1. Lightroom not responding

2. A spinning icon in the lower right; hovering over showed the text "GPU Rendering."

3. Lightroom was otherwise non-respnsive.

4. This lasted approximately 5 minutes.

5. After Lightroom started responding again, as soon as I moved the brush, again it went into Not Responding.

6. During this time none of the resources in Task Manager were close to maximum. CPU maximum 50%, GPU maximum 40%, memory maximum 60%.

I set the GPU setting in Lightroom to Off. When I restarted Lightroom, I received the message that I should enable the GPU for better performance. I did not.

With GPU off, everything works, however slower than before the problem appeared.

I am at a loss as to why Lightroom performance is so poor. I thought that maybe my previous computer was the problem, but apparently not.

I hope someone can enlighten me on how to to improve performance.

GoldingD · Answer

A truncated copy of your system info:_________________________________________________________________________Lightroom Classic version: 13.1License: Creative CloudLanguage setting: enOperating system: Windows 11 - Business EditionVersion: 11.0.22631Processor speed: 4.6GHzBuilt-in memory: 64661.3 MBDedicated GPU memory used by Lightroom: 7666.2MB / 12010.0MB (63%)Displays: 1) 2560x1440Graphics Processor Info:DirectX: NVIDIA GeForce RTX 4070 Ti (31.0.15.4633)Init State: GPU for Export supported by defaultUser Preference: Off Application folder: C:\Program Files\Adobe\Adobe Lightroom ClassicLibrary Path: C:\Users\djmay\OneDrive\Pictures\Lightroom\Lightroom Catalog.lrcatSettings Folder: C:\Users\djmay\AppData\Roaming\Adobe\Lightroom Installed Plugins:1) AdobeStock2) ColorChecker Camera Calibration3) Flickr4) Nikon Tether Plugin______________________________________________________________________________________ I included the above as to assist other members as they can see what is probably pertinent without opening an attachment. Anyhow, the system info looks just fine. EXCEPT: Library Path: C:\Users\djmay\OneDrive\Pictures\Lightroom\Lightroom Catalog.lrcat I currently understand that that folder path with the OneDrive included in it , means that you have a OneDrive automatic backup of the catalog running. Not that the catalog is on OneDrive (that would be very very bad) but that a constant sync of the catalog from your computer to your OneDrive account (backup??) is occurring. I blame this on Microsoft. Microsoft has been very insistent you might say overbearing upon install of Windows 11 (and perhaps previously Windows 10) that you must, absolutely must use a MS account to login. This is in fact false, you do not need a MS account to login to your computer, nor do you need to logging to your computer using a MS account in order to access OneDrive. Some hoops do need to be run through upon installing Windows to avoid that) . Many think that using a local account is much better, less intrusive, maybe safer. (visit the web, perhaps in YouTube for example, etc)  A problem with this auto backup/Sync to OneDrive can occur, if OneDrive access is slow, or down, or just poor, then it will effect LrC performance, perhaps to the point of not running. I think their are some discussion in the community on that. Advise you turn off the OneDrive setting to backup/sync the LrC catalog. (this would be in the OneDrive applett)

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