Calculate overcommitment Ratio of a host from vSphere Client.
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Calculate overcommitment Ratio of a host from vSphere Client.

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Article ID: 414507

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Updated On:

Products

VMware vCenter Server VMware vSphere ESXi

Issue/Introduction

 Overcommitment ratio represents the resource allocation status on a host. The ratio isn't showed at UI. However it can be calculated manually from data at UI.

Resolution

  1. Open vSphere Client.
  2. Click the host at inventory.
  3. Click "VMs" to visit VM view.
  4. Click the drop down menu and select "Advanced Filter". Click "ADD NEW". Change filter to "State". Select "Powered On", click "APPLY".
  5. Click "Manage Columns". Select "Memory Size" and "CPUs". The allocated memory and CPU count will be seen at right columns. 
  6. Calculate the total allocated CPU count and memory. (Optional) Click "Export" to generate a sheet, add numbers up with a sum function.
  7. Calculate the overcommitment ratio for CPU and memory.
    • vCPU:pCPU
    • Memory allocated:Physcial Memory
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