Choosing between Linux (Ubuntu/Debian) and Windows Server is more than just personal preference. Each OS requires specific 'hardening' and optimization to run 7DTD smoothly.
Linux is generally 10-15% more efficient in its RAM usage for 7DTD. However, you must tune the kernel:
ulimit -n to at least 65535 to prevent the game from crashing during high player counts.If you prefer Windows, ensure you are running Windows Server 2022 Core (if possible) or follow these steps:
7DaysToDieServer.exe priority to 'Above Normal' in the task manager.