When it comes to a Horizon View deployment with desktop pools containing 100's of desktops this is a feature which saves lot of physical memory on the ESXi hosts, by creating pointers to an identical page in memory rather than duplicating a page. Security considerations and disallowing inter-Virtual Machine Transparent Page Sharing (2080735) If you don't know the full details of why this is you can read all about it on VMware's KB. Technically it's still there and enabled but it is only creating pointers for duplicate memory pages at the individual VM level, so there is no inter-VM page sharing taking place. As you may already know, VMware have disabled the popular memory management and memory saving feature Transparent Page Sharing (TPS) in later releases of ESXi by default.ĮSXi 5.1U3 and future Update releases of ESXi 5.0 and 5.5 including ESXi 6.x have TPS disabled, however this can be enabled in the advanced settings of the host.
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