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Unexpectedly growing VRAM usage - Texture Streaming Pool Over

Hello! I have a problem. I made myself an invite menu, and suddenly I get an error saying Texture Streaming Pool Over with a number getting bigger in size and my texture getting blurred. In the editor, everything looks normal though.

https://www.youtube.com/watch?v=KZcaJ_K0yyk

You can see the normal texture at 0:00, the blurred one at 0:23 the error showing up at 0:55.

Product Version: UE 4.16
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asked Aug 21 '17 at 10:33 PM in Using UE4

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JohnnyZer0
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avatar image IGorilla Aug 21 '17 at 10:38 PM

What are your texture resolutions

avatar image JohnnyZer0 Aug 21 '17 at 11:20 PM

The buttons are 256x64, and the dirt and that wood are from Starter Pack.

avatar image JohnnyZer0 Aug 21 '17 at 11:20 PM

Oh and Steam 64x64 or 92x92 if I remember correctly.

avatar image IGorilla Aug 21 '17 at 11:29 PM

I feel like its something with the fire particle... since the pool keeps increasing over time. Not sure what is going on tho...you could try using consolecoands listtextures or streamingtextures (forfot which one). With this you can see all the textures sorted by memory it reserves

avatar image JohnnyZer0 Aug 22 '17 at 01:16 AM

I can see a lot of 64x64 textures and some 2048x2048 ?? It is strange, in a level with basically a fire and a tile. I've this fire before and I didn't have any problems. EDIT: It is located in Engine/Transient.Texture2D_7xxx with xxx being numbers that grow

avatar image IGorilla Aug 22 '17 at 08:02 AM

Do the particles in your fire have an infinite lifetime? Normally the engine just needs 1 reference to the loaded texture so this is very weird. The problem might be somewhere else. Try to see where you use this texture: materials, particles, postprocessing,... you might be spawning it somewhere without even knowing

avatar image JohnnyZer0 Aug 22 '17 at 02:13 PM

Before this, I want to tell you that this doesn't happen if I play in the editor itself. It only happens if I play as a standalone game.

avatar image JohnnyZer0 Aug 22 '17 at 02:16 PM

Ok, I am closer to the solution. My Invite level (the problematic one) is using the exact world as Main Menu (I copy-pasted it), I actually removed some trees. And MainMenu is working fine. So I think the problem is actually in the hud. Maybe some buttons replicating or that list of friends.

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