VMware Virtual Performance Changes

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December 29, 2007 Linux No Comments

VMware regularly checks for unused virtual memory to return back to the host OS. This permits more concurrent virtual machines, but incurs a performance hit. Disable this by adding the line MemTrimRate=0 to the virtual machine's .VMX file.

You may want to avoid this overhead for guests for which host memory is plentiful and I/O latency is important. To disable page sharing, add the following line to the virtual machine configuration (.vmx) file:
sched.mem.pshare.enable=FALSE option

# Disable logging - Only needed for troubleshoot.
# Logging
logging = "FALSE"

Information taken from  www.virtualization.info blog site and other websites.

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