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🔴 UEFN / Unreal RAM tip
If you’re running into RAM issues with UEFN / Unreal Engine, this might help a lot.
I cleared my Derived Data Cache folder and removed over 140,000 files, which immediately improved performance and significantly reduced memory usage (in my case).
📁 Path:
C:\Users\YourUser\AppData\Local\UnrealEngine\Common\DerivedDataCache
🟢 Unreal will rebuild it when needed, since this folder stores compiled shaders, textures, and other processed assets.
⚠️ Over time, especially across multiple projects and engine versions, it can accumulate a lot of unused data.
⚡ Not a universal fix, but in my case it made a huge difference in stability and memory usage.
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