What does all the different RAM tags stand for?

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There are many tags related to RAM in vScope. At a quick glance this might seem confusing and as if there are some  tags that could be merge into one. Think again! Since vScope discovers information from both the physical and virtual part of the infrastructure, RAM can have different meaning depending on whether you refer to a virtual machine, an operating system or a physical host.

Here is a list of RAM tags in vScope, where the information is Discovered from, which resources the RAM tag is attached to and a short description of what the tag really means.

TAG DISCOVERED FROM ATTACHED TO DESCRIPTION
RAM Host/OS Host/VM/Generic System How much RAM that is allocated to a machine
RAM Active Host VM How much RAM the host estimate that is active in the OS on the VM
RAM Active Host Host The sum of all RAM Active on VMs on a specific host
RAM Committed Host VM Total possible amount of RAM that is committed for a VM from the host
RAM Committed Host Host The sum of all committed RAM from a host
RAM Granted Host Host The amount of RAM that is granted for running VMs on a host
RAM Usage From Host Host VM How much host RAM is used by the VM
= RAM Usage + RAM Overhead
RAM Usage Host/VM Host/VM/Generic System How much RAM is consumed by the operating system
RAM Usage Ratio Host/OS Host/VM/Generic System =RAM Usage/RAM
RAM Usage VM Host VM How much host RAM is used by the VM, excluding the RAM Overhead cost on the host
= RAM Usage from Host – RAM Overhead”
RAM Usage VM Ratio Host VM = RAM Usage VM/RAM
RAM Overhead Host VM The RAM Overhead cost on the host to allocate RAM for the VM = RAM Usage From Host – Ram Usage
RAM Overhead Host/OS Host The sum of all VMs’ RAM Overhead running on a host
RAM Swapped Host VM The amount of RAM that the host has allocated a VM from the host’s disk swap
RAM Swapped Host Host The sum of all VMs’ RAM swapped on a host
RAM Ballooned Host VM The amount of unused RAM that a host has “borrowed” from the VM to allocated to other VMs
RAM Ballooned Host Host The sum of unused RAM that a host have “borrowed” from VMs to provide to other VMs
2018-01-02T21:55:13+00:00