Performance Experiences in MP using modules

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Hi all !

I wanted to hear you all - what your experiences are, using the different ArmA 2 BIS modules on dedicated servers.
Yesterday we ran a mission with 18 players, no addons, Chernarus, and Weather, Ambient Civilians, Civ Vehicles, Weather, Surrendering and all 3 first aid modules enabled.

First off - I think its quite intense to use that many modules - but i didn't make the mission.

We had a very large number of crashes - crash to desktop, and there was no real pattern to it.
I looked in the .rpt of the server and saw a huge number of errors related to the First Aid: AIS module.
But as the Biki says:
DO NOT USE THE FA MODULE WITH THE AIS it is redundant and can cause problems.


And both the FA and AIS module was indeed running in the mission.

The server ran between 10-15 FPS for the whole mission, which isn't really that critical.
So i'd really like to know, what are your experiences with the modules, performance wise?