How to render 9k resolution scene?

[iMotion]

Help. Don't know what to do. Scene hangs at building acc. structure. Time is running and did not step next to GI prerendering.
Resolution are 9k. What options I need to tweak to let it render

P.S Scene hangs at same position and give an error even on render farm (

[Rimas]

Hi!

Maybe the scene itself has something incompatible in it? Maybe you're running out of RAM?
I've personally rendered images 15k wide with no problems running both on a single workstation and distributed so I doubt it's Corona being the culprit here...

[iMotion]

Scene is not very complicated and consist of not more then 1 000 000 poly. I have enough RAM, I think, because I don't see any message about out of ram during render. It just hangs and thats it.

[maru]

Is there displacement in your scene?

[iMotion]

Yep

[maru]

So this is probably the cause. In low resolution rendering, the displacement should work fine. If the resolution is so high, the mesh becomes subdivided multiple times. You can for example try lowering displacement quality settings (either bigger screen size or lower max subdiv per poly, or both).

[xt13r]

I have the same problem few days ago. After disabling displacement everything renders fine.

P.S. Any plans for imrovements in this problem? in a nearest or far future builds of corona? I've already seen lot of questions about freezing render because of this displacement problem on a different russian resources.

[iMotion]

So this is probably the cause. In low resolution rendering, the displacement should work fine. If the resolution is so high, the mesh becomes subdivided multiple times. You can for example try lowering displacement quality settings (either bigger screen size or lower max subdiv per poly, or both).

Thank you, Maru. I just decrease subdivs per poly from 800 to 500 and everything goes fine.

2xt13r: I can't disable it because of brick wall in my scene =)