An enterprise recently upgraded the memory of its on-premises VMs from 8GB to 16GB. However, users are not experiencing any performance benefit. Which of the following is the MOST likely reason?

The correct answer is B. Operating system memory limit. When you upgrade the memory of a VM, the operating system running on the VM may not be able to use all of the available memory. This is because the operating system has a maximum memory limit that is set by the hypervisor. If the operating system memory limit is lower than the up

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Question

Options

AInsufficient memory on the hypervisor
BOperating system memory limit
CMemory mismatch error
DDynamic memory allocation

How the community answered

(46 responses)

A
13% (6)
B
78% (36)
C
7% (3)
D
2% (1)

Explanation

When you upgrade the memory of a VM, the operating system running on the VM may not be able to use all of the available memory. This is because the operating system has a maximum memory limit that is set by the hypervisor. If the operating system memory limit is lower than the upgraded memory size, then the VM will not be able to use the extra memory beyond its limit, resulting in no performance benefit for users.

Topics

#VM memory limits#OS constraints#performance tuning#virtual machine configuration

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