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You are here: Home / Automation / Easily retrieve VM memory overhead using the vSphere 6.0 API

Easily retrieve VM memory overhead using the vSphere 6.0 API

01.29.2016 by William Lam // 1 Comment

A handy API that was introduced in vSphere 6.0 is the ability to easily retrieve the amount of memory overhead for a given Virtual Machine. Though this was not a common task, it was not trivial to find and often required customers to scoure the various VM logs. In vSphere 6.0, we now have a module called the Overhead Memory Manager which provides a very simple API method called the LookupVmOverheadMemory() to retrieve this information. I know this question has come up from time to time and I figure I do a quick blog about it as I have not seen anyone write about this API yet.

I have created example implementation using PowerCLI to exercise this API which I have called Get-VMMemovehead.ps1 Once the method is loaded, you pipe the output of the Get-VM cmdlet to this new operation as seen in the screenshot below:

Get-VM "vcenter60-2" | Get-VMMemOverhead

vm-memory-overhead

More from my site

  • When to use Move-VM cmdlet vs xMove.ps1 script for performing Cross vCenter vMotions?
  • Cross vCenter Server operations (clone / migrate) between versions of vSphere 6.x
  • Remotely query an ESXi host without adding it to vCenter Server
  • Automating Cross vCenter vMotion (xVC-vMotion) between the same & different SSO Domain
  • New vSphere 6.0 API for configuring SMP-FT

Categories // Automation, vSphere 6.0 Tags // memory overhead, vSphere 6.0, vSphere API

Comments

  1. *protectedFausto says

    01/30/2016 at 5:53 am

    Thanks for the heads up!

    P.S. - You'd better fix those typos 🙂

    Reply

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Author

William Lam is a Senior Staff Solution Architect working in the VMware Cloud team within the Cloud Infrastructure Business Group (CIBG) at VMware. He focuses on Cloud Native, Automation, Integration and Operation for the VMware Cloud based Software Defined Datacenters (SDDC) across Private, Hybrid and Public Cloud

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