VcenterSettingsV1ConfigComponentsInventoryResourcepoolSharesLevel

The Shares.Level enumerated type defines the possible values for the allocation level.
LOW : For CPU: Shares = 500 * number of virtual CPUs. For Memory: Shares = 5 * virtual machine memory size in MB.
NORMAL : For CPU: Shares = 1000 * number of virtual CPUs. For Memory: Shares = 10 * virtual machine memory size in MB.
HIGH : For CPU: Shares = 2000 * nmumber of virtual CPUs. For Memory: Shares = 20 * virtual machine memory size in MB.
CUSTOM : If set, in case there is resource contention the server uses the shares value to determine the resource allocation.