AVI 30.x controller sizing

https://techdocs.broadcom.com/us/en/vmware-security-load-balancing/avi-load-balancer/avi-load-balancer/30-2/vmware-avi-load-balancer-installation-guide/preparing-for-installation/nsx-advanced-load-balancer-controller-sizing.html#GUID-6366FAA5-8FDF-4B0F-B170-1D846B6CAF86-en_GUID-5361495E-6481-43AB-B084-1ED1748D54FD