We've got a Dedicated VM Host with Linux VM, specs:
CentOS 6.5 installed
8 GBs of RAM:
- 2 GB of which are allocated for a RamDisk for active map data play
- 3 - 5 GB of which are dedicated for FTB Monster/Java usage (min/max heap size)
4 CPU cores dedicated to this VM, specs:
processor : 0-3...