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How to move "Derived Data Cache" folder ?

Hey guys,

I installed UE4 on my second Hard Diks (D:/ - Sata III). Even if I did this, some files are installed on my SSD (C:\Users\xxxxxxx\AppData\Local).

It's okay if it's some config or preferences files, but there is a folder called "Derived Data Cache". And this guy is like "10Go" on my poor SSD.

Is there a way to move, or avoid that UE write on this folder ? Because my SSD is full soon because of this guy !

Thanks !

EDIT: I saw on Hourences, that we can move this folder by editing the EngineDefault.ini (http://www.hourences.com/tutorials-ue4-quick-first-tips/)

So, I did. Can I now, just copy/paste then folder who is on my C to my D ?

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asked Oct 11 '14 at 02:38 PM in Installation & Setup

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3 answers: sort voted first

You can probably just move them, but as they are caches it should be safe to delete them and have them regenerated at the new location instead.

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answered Oct 11 '14 at 04:03 PM

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avatar image bobmartien Oct 11 '14 at 04:04 PM

Okay thanks :)

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More simple way:

  1. Open BaseEngine.ini > UnrealEngineVersion\Engine\Config\BaseEngine.ini

  2. Find: [InstalledDerivedDataBackendGraph]

  3. Change: Path="%ENGINEVERSIONAGNOSTICUSERDIR%DerivedDataCache"

  4. to: Path="%GAMEDIR%LocalDerivedDataCache"

All cache will be saved in to directory of your project

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answered Jan 23 '17 at 07:04 AM

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Since 4.18 you can now set the path for the Derived Data Cache directly through Editor Preference Global Settings. this was posted by spaceharry in this thread. I am only passing on his information.

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answered Nov 24 '17 at 02:11 PM

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avatar image Lupoluke Apr 27 '18 at 07:36 AM

Thank you very much!!!

The setting in 4.18 helped me to solve my problem

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