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High Res Screenshot memory leak / dropped fps

After taking a high res screenshot, (only tested at 3 - 6 scale) the FPS in the engine drops well under 10, becomes unusable. Possible memory leak? Can sometimes cause a crash

Happened on multiple occasions, scene is heavy on polys as its Arch Viz,

PC: Intel Xeon CPU E5-1620 jv3 @3/5GHz 32GB Ram Radeon Pro WX4100

Product Version: UE 4.17
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asked Oct 13 '17 at 07:16 AM in Bug Reports

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avatar image 9oa Oct 28 '17 at 12:11 AM

I'm having the same problem as well. Anyone found a solution?

avatar image uJelleh Apr 18 '19 at 12:47 AM

Same issue here. This must be an engine bug, and should be reported if it hasn't been already.

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1 answer: sort voted first

I'm also still experiencing this problem in version 4.21.

Before high res screenshot: 115fps Immediately after high res screenshot: 5fps

I've experienced this in multiple projects now. Upon closing and restarting Unreal, normal operation resumes until taking another HRS.

PC: Intel Core i7-3930K @3.2GHz, 16gb RAM, Nvidia GTX 970

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answered Feb 10 '19 at 12:31 AM

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