vCPU和pCPU比率

虚拟化2年前 (2023)更新刘丰源

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From official doc VMware:

the following vcpu:pcpu ratios can be considered a good starting point for a design:

1:1 to 3:1 is not typically an issue
With 3:1 to 5:1, you might begin to see performance degradation

6:1 or greater is often going to cause a significant problem for VM performance
I have found this script in VMware Community Site:

Foreach($esx in Get-VMHost){
$vCPU = Get-VM -Location $esx | Measure-Object -Property NumCpu -Sum | select -ExpandProperty Sum
$esx | Select Name,@{N=‘pCPU’;E={$_.NumCpu}},
    @{N=‘vCPU’;E={$vCPU}},
    @{N=‘Ratio’;E={[math]::Round($vCPU/$_.NumCpu,1)}}
}

Output is: