Installation guide

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VMware ESX Server Administration Guide
an allocation policy that allows idle memory to be reallocated away from virtual
machines that are unproductively hoarding it, regardless of shares. The default is 75
percent.
/proc/vmware/config/MemShareScanVM
This ESX Server option specifies the maximum per-virtual machine rate at which
memory should be scanned for transparent page sharing opportunities. The rate is
specified as the number of pages to scan per second. The default is 50 pages per
second per virtual machine.
/proc/vmware/config/MemShareScanTotal
This ESX Server option specifies the total systemwide rate at which memory should be
scanned for transparent page sharing opportunities. The rate is specified as the
number of pages to scan per second. The default is 200 pages per second.
/proc/vmware/config/MemCtlMaxPercent
This ESX Server option limits the maximum amount of memory that may be reclaimed
from any virtual machine using vmmemctl, based on a percentage of its maximum
size. Specifying 0 effectively disables reclamation via vmmemctl for all virtual
machines. Defaults to 50.
/proc/vmware/config/MemCtlMax[OSType]
These ESX Server options restrict the maximum amount of memory that may be
reclaimed from a virtual machine using vmmemctl, based on the limitations of guest
operating system type. The value is specified in megabytes. Defaults to 128 for
OSType=NT4 (Windows NT 4.0), 2048 for OSType=NT5 (Windows 2000 or
Windows Server 2003), and 768 for OSType=Linux.