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RAM usage limited in Preferences but After Effects still consumes all of it

Forum|Forum|6 years ago
November 30, 2019
3 replies
2696 views

Hi, I'm using the rotobrush tool and when I freeze or when I roto very large footage After Effects consumes all my RAM and close. I have the RAM amount limited in the preferences, but it seems the tool don't respect this limit. I'm using After Effects 2019 and 2018, with the same error, and I can't see any solution...

Is this a bug of the rotobrush?

This topic has been closed for replies.

Correct answer Dave Merchant

Yes it sounds like a bug. After Effects is addicted to RAM but it should certainly respect the limit set in Preferences.

What's your operating system, and can you work out if it's specifically a RB issue, of whether it bursts through the limit when other things are happening too? Are there any third-party plugins used? In theory we should be able to reproduce it if we know exactly what your setup is, but the fact you're seeing it on two old versions is concerning as if it was a long-standing bug in the AE codebase then folks would have reported it to heck and back by now.

D

Dave MerchantCorrect answer

Legend

Yes it sounds like a bug. After Effects is addicted to RAM but it should certainly respect the limit set in Preferences.

What's your operating system, and can you work out if it's specifically a RB issue, of whether it bursts through the limit when other things are happening too? Are there any third-party plugins used? In theory we should be able to reproduce it if we know exactly what your setup is, but the fact you're seeing it on two old versions is concerning as if it was a long-standing bug in the AE codebase then folks would have reported it to heck and back by now.

TiscarAuthor

Known Participant

Hi Dave, I'm on Windows 10 Home and I have recently installed Neat Video plugin for removing noise. In this project I'm using too Mocha Pro for importing tracked masks although I'm using it for a few years ago and it hasn't given me any problems before.

For now, I'm being able to do the shots dividing the comp in other smaller in size comps (cropping them and reimport them) and this has highly optimized my workflow.

Tonight I will run some test to see if this bug occurs with other effects as well. But yeah if this is a bug it would be strange that anybody hadn't reported it before.

Thanks guys for your help!

TiscarAuthor

Known Participant

I did a test with other effects and After Effects respects the limit of the RAM assigned: when I play the video (RAM preview) and reaches this limit, it stops caching and goes into a loop playback mode. But when I apply the rotobrush and freeze, if it reaches the limit it ignore it and continue consuming RAM.

Dave_LaRonde

Inspiring

You'll want to have at least 16 GB RAM to run AE smoothly. 32 GB is better. How much do YOU have?

TiscarAuthor

Known Participant

I have 64 GB. I'm working on large 4K footage so I guess I would have to cut it in a few parts... However I don't understand why After Effects is not limiting the RAM, it's like it ignore my preference settings.

Martin_Ritter

Legend

How much RAM is installed, how much is assigned to AE?

*Martin

TiscarAuthor

Known Participant

I have 64 GB and I assigned to After 40-50 GB. I know I will need to optimize my workflow with proxies etc but I don't understand why After Effects is not respecting my memory settings.

Martin_Ritter

Legend

RAM installed and assigned looks good.

How do you check how much RAM AE consums?

*Martin

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