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Saving maps for Standalone mode very slow


at a big project we are facing a bug or problem from the editor: Our project has around 2000 unique, small levels. At the beginning starting the standalone was very fast but with every new start of the standalone mode loading takes more time. Is this a bug or can it be avoided in any way? Hopefully there is another idea then deleting the datacache because loading the project the first time without the cache takes more then 30 minutes.

Regards, Florian

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asked Apr 09 '15 at 10:37 AM in Using UE4

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avatar image wittlief ♦♦ STAFF Apr 09 '15 at 04:20 PM

Hi LeFxFlo,

Are you using the binary or source editor, and what version are you currently on?

avatar image LeFxFlo Apr 09 '15 at 04:27 PM

Oh, sorry. Good point... I'm working with Windows 7 64bit Engine: 4.7.4 binary build from launcher

avatar image wittlief ♦♦ STAFF Apr 10 '15 at 08:38 PM

Thank you. Question, when you say standalone, do you mean the play mode in the editor proper, or are you launching standalone from the command line?

avatar image LeFxFlo Apr 11 '15 at 11:33 AM

I'm talking about the play as standalone-button. The period when the maps are saved takes more time for every launch.

avatar image Adam Davis STAFF Apr 14 '15 at 02:43 PM

Hi LeFxFlo,

When you say small levels, about how many assets are in each level? Does each have individual lighting or is lighting in the persistent level? Are you using level streaming to load the levels in succession, the world browser to have them on a large coordinate plane, or are they all free standing? I attempted to reproduce this on a small scale, however both 30 levels and 90 levels took the exact same amount of time to load. Any additional information that you can provide would be greatly appreciated!

avatar image LeFxFlo Apr 15 '15 at 07:31 AM

Hey, I didn't use standalone the last days and used the PIE. We deleted the content of the saved- and the immidiate-folder. After that it was fast again and now getting slower. Every level has just one or two actors without a lighting. The lighting is only in two levels. The levels are loaded all together to create a big mesh with a lot of levels in them. Currently I don't have time to create a simple reproducable case. Maybe you can mark this thread as solved. Later I can try to create an easy test scenario to show the probleme. Thanks, Florian

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Hi LeFxFlo,

Thank you for the updated information. I'm going to mark this as answered for tracking purposes.

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answered Apr 15 '15 at 02:53 PM

avatar image Maslobojik Jun 15 '15 at 06:02 PM

Saving maps in 4.8 version is slow too. No result :(

avatar image Adam Davis STAFF Jun 15 '15 at 06:10 PM

Hi Maslobojik,

How large are the maps you are saving? Do you have a lot of rendering going on? Are there a lot of bsps in the level? This can be caused by a number of different components so any additional information you can provide about your specific levels would be helpful in determining what may be going on.

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