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Lag after switching folders

Unreal Engine 4.15.1 Version: 4.15.1-3348071+++UE4+Release-4.15 I get horrible lag after looking through folders in engine, so much that it is unusable. The only way to fix it is to exit and relaunch the engine. Specs: R9 Fury X, FX-8350, 12GB DDR3, Windows 10 1607/OS Build 15025.1000

Product Version: UE 4.15
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asked Apr 13 '17 at 04:07 AM in Bug Reports

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Luke Landwalker
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avatar image Matthew J Apr 13 '17 at 01:50 PM

Hello NCS_McCallihan,

I'm assuming that you're talking about folders in the Content Browser? If so, when you mention "looking through", do you mean actually clicking the folders and loading the content inside of them or do you just mean expanding them to show the subfolders underneath? Does this also occur with empty folders or does it require there to be multiple assets inside of it? Since you mention exiting the engine fixes the issue, does this happen after a set amount of time or after opening a certain folder or a certain number of folders? As many details as you can provide would be helpful to look into this.

avatar image Luke Landwalker Apr 14 '17 at 05:20 PM

Apparently my comment didnt go through before. It only happens when it loads items in the folder, usually opening a single folder will drop around 10 frames/per folder. This is for both showing subfolders and content in those folders.

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This could be related to the Real-time Thumbnails, can you try opening the "View Options" at the bottom right of the Content Browser and unchecking the "Real-Time Thumbnails" option? This will stop the thumbnails from updating every frame to match what is in the viewport in those particular assets. It's been reported to be a performance hit for some users.

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answered Apr 14 '17 at 06:32 PM

avatar image Luke Landwalker Apr 14 '17 at 07:10 PM

I will certainly check that out when i open my build next time, and I'll let you know if it works, thank you.

avatar image Luke Landwalker Apr 15 '17 at 07:55 PM

It works, thanks alot!!!!

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