You may have to clean up your server. You may find that the cause of this is because you have 1,000's of untamed dinosaur's roaming your map. Have a look at the steam discussion forums at how to clean these up, doing so will prevent your server from being rebooted.
Below are a couple of links on how to go about this.
[https://steamcommunity.com/app/346110/discussions/0/405692758706373967/](https://steamcommunity.com/app/346110/discussions/0/405692758706373967/)
[https://steamcommunity.com/app/346110/discussions/0/405691147599992873/](https://steamcommunity.com/app/346110/discussions/0/405691147599992873/)
Hope this help's reduce server lag and memory usage.
