2V0-621 · Question #173
An administrator notices that a Windows virtual machine is using 95% CPU in Task Manager. Which two actions should be taken to resolve this issue? (Choose two.)
The correct answer is B. Increase the CPU Shares on the resource pool where the virtual machine resides. D. Increase the CPU limit on the resource pool where the virtual machine resides.. When a VM experiences high CPU usage, the administrator should increase CPU access at the resource pool level by raising shares (priority) and raising the CPU limit (ceiling), not adjust memory or reduce CPU reservation.
Question
An administrator notices that a Windows virtual machine is using 95% CPU in Task Manager. Which two actions should be taken to resolve this issue? (Choose two.)
Options
- AIncrease the memory reservation of the virtual machine.
- BIncrease the CPU Shares on the resource pool where the virtual machine resides.
- CDecrease the CPU reservation of the virtual machine.
- DIncrease the CPU limit on the resource pool where the virtual machine resides.
How the community answered
(41 responses)- A12% (5)
- B80% (33)
- C7% (3)
Why each option
When a VM experiences high CPU usage, the administrator should increase CPU access at the resource pool level by raising shares (priority) and raising the CPU limit (ceiling), not adjust memory or reduce CPU reservation.
Memory reservation controls guaranteed RAM, not CPU allocation, so it has no effect on CPU saturation.
Increasing CPU Shares on the resource pool raises the relative priority of that pool when the host is under CPU contention, allowing VMs in it to receive more CPU cycles compared to other pools.
Decreasing a CPU reservation reduces the guaranteed minimum CPU the VM is entitled to, which would worsen rather than improve the high-CPU condition.
If the resource pool has a CPU limit set below what the VMs need, raising that limit removes the artificial ceiling and allows VMs to consume more of the host's available CPU cycles.
Concept tested: vSphere CPU resource pool shares and limits
Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.resmgmt.doc/GUID-98BD5A8A-260A-494F-BAAE-74781F5C4B87.html
Topics
Community Discussion
No community discussion yet for this question.