Memory usage on Server varies dramatically.

[Wood]

Hey guys just added a Dedicated 1TB SSD to my SERVER. I'm running my server with windows server 2016. I usually run 3 instances with no issue. However I have noticed an increase in memory usage. Any thoughts on this?

The Instance with the smaller memory usage is the biggest mission. Go figure. 

Regards

Wood

[Maverick87Shaka]

I've reported internally several times, memory usage increase at point that we had to shutdown one of our instances.
We didn't receive any offical feedback from ED on this particular problem. It's just been added to a generic "investigating" status, but no update so far, so as per my understanding, they are not putting any effort on that to mitigate the problem. The stuff can only getting worst in the future.

This was my internal report:

[Actium]

On 3/28/2025 at 12:16 AM, Wood said:

The Instance with the smaller memory usage is the biggest mission.

From my experience, the mission size has only limited impact on the dedicated server RAM usage. Primary factor appears to be the terrain, because the dedicated server loads all or most of it into RAM when starting. Additionally, when running multiple dedicated server instances on the same terrain, the file mappings that DCS partially relies on may result in memory being shared between processes. I don't know how Windows does the memory accounting in that case, but I could image that the memory is only accounted to the first process. Take this with a grain of salt, I use Linux, so I'm not familiar with Windows memory management.

[Wood]

21 hours ago, Maverick87Shaka said:

I've reported internally several times, memory usage increase at point that we had to shutdown one of our instances.
We didn't receive any offical feedback from ED on this particular problem. It's just been added to a generic "investigating" status, but no update so far, so as per my understanding, they are not putting any effort on that to mitigate the problem. The stuff can only getting worst in the future.

This was my internal report:

Good to know. I agree that this is something that’s going to get worse in the future. The size of DCS is insane and  I was shocked to see that the size of the dedicated server sitting at just under 400gb. That’s nuts. 
I’ve been running this server for years now and never noticed the memory this bad before. I appreciate your reply. Thanks 

5 hours ago, Actium said:

From my experience, the mission size has only limited impact on the dedicated server RAM usage. Primary factor appears to be the terrain, because the dedicated server loads all or most of it into RAM when starting. Additionally, when running multiple dedicated server instances on the same terrain, the file mappings that DCS partially relies on may result in memory being shared between processes. I don't know how Windows does the memory accounting in that case, but I could image that the memory is only accounted to the first process. Take this with a grain of salt, I use Linux, so I'm not familiar with Windows memory management.

that’s interesting. I would have thought the opposite. Learn something everyday. 
Thanks for the reply.