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4.9.1 Memory Leak

I'm experiencing this memory leak on the current version of Unreal 4.9. I can barely use the editor for 10 min or less before my memory gets so full that I am forced to close Unreal. I can see the memory going up quickly while I have certain blueprints open. As soon as I close them, the memory stops going up but remains where it's at. Open them again and the memory keeps rising until I get the message from windows that I'm all out of memory.

What's weird is that I have been using this version of Unreal for quite a while before this became an issue. This memory leak only happens when I have certain blueprints open. I've worked on these specific blueprints a lot without experiencing this problem before. It's also only happening in a single project so far. I've tried using another project and haven't experienced this memory leak yet.


Product Version: UE 4.9
dxdiag.txt (83.7 kB)
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asked Sep 30 '15 at 11:56 AM in Bug Reports

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We're aware of a memory leak when you have enough tabs open that the tab title text is completely culled from view. Does this sound like what you may be seeing?

UE-21203 is the bug tracking that leak.

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answered Sep 30 '15 at 11:59 AM

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Jamie Dale STAFF
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avatar image pzea Sep 30 '15 at 12:02 PM

YES.... Resolved! Thank you.

avatar image Maslobojik Nov 24 '15 at 09:06 AM

You are doing this for veeery loooong tiiime............ I hope that you will finish this at 2085 year.....

avatar image kabzerek Aug 05 '16 at 04:58 PM

Is this leak resolved? I am experiencing the same problem in 4.10.4.

from: https://issues.unrealengine.com/issue/UE-21203 UE-21203 Unknown Issue We're unable to find any record of this issue. It's possible this issue just hasn't been made public yet.

avatar image Sean L ♦♦ STAFF Aug 05 '16 at 05:51 PM

The issue is reported as resolved in 4.11. The ticket unfortunately contains some sensitive information, so we have decided to not make it public for the time being.

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