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Periodical lag spikes on all threads in 4.20 and 4.21 PIE and Standalone

Hey!

I'm experiencing periodical and constant lag spikes every 1-2 seconds. Tested and happens on PIE and standalone.


I noticed this first time yesterday and I've tested and seen it on:

  • 4.20 empty C++ blank project

  • 4.20 empty map on my previously working C++ project

  • 4.20 populated map on my previously working C++ project

  • 4.21 All same as above



I've tried running the projects from SSD and HDD and I've deleted and generated the project files again several times.

I don't really understand what is causing this. I'd really appreciate if someone can look at the UnrealStat file and tell me what might be causing the lag spikes.

Here's a link to google drive for a UnrealStat file:
https://drive.google.com/open?id=1xYZU5w7Kg6JjP7-RqEQYiKh-Ufb8Yy49


Thanks, Ville

Product Version: UE 4.20
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asked Dec 30 '18 at 10:48 PM in Using UE4

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villehappo
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avatar image Evigmae Dec 30 '18 at 11:13 PM

without looking at anything. i say you should check if the same happens on a different pc. just to quickly see if the problem is ue4/the project or your machine.

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