Transparent Page Sharing is an incredible VMware invention that allows 2 or more VMs to share identical pages in host memory. This allows an over commit of VM guest memory and a cost savings of host memory. Take a technical deep dive by reading Carl Waldspurger's ESX Memory Resource Management white paper at:
http://www.waldspurger.org/carl/papers/esx-mem-osdi02.pdf
One day this paper should be in museum.
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http://www.waldspurger.org/carl/papers/esx-mem-osdi02.pdf
One day this paper should be in museum.
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