Script or application to test multi CPU VMs and CPU ready ?

Hi all,

I'm about to deploy multiple (3 initially) SharePoint and SQL server VMs with 4x vCPU each so I wonder if anyone here know what is the best way to perform load testing which can generate CPU request ?

The idea is to saturate the VMs and observe the CPU ready % counter when those 3 VMs fully loaded.

If it is high in CPU ready I will make a case study to my manager to dedicate dual ESXi Hosts to run those 4x vCPU VMs rather than mix it up with the rest of smaller VMs.

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Senior IT System EngineerIT ProfessionalAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You could start with VMware vMark

There is also the VMware Fling I/O Analyser but this is mainly for storage, but also CPU Stress tester

There is also Load Storm, see here

There are many others, but those three are the easiest to use.

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Senior IT System EngineerIT ProfessionalAuthor Commented:
Thanks Andrew, so I guess some of them are free ?

What about the conclusion ? Is it correct to say that the large VMs with greater than 4x vCPU are better off running with the other large VMs rather than mixed the load ?
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
All free.

I would not put like large VMs together, but this does depend on the host capacity and current performance.
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Is the point here to see how much load you Sharepoint environment can handle? Probably best to run a stress tool for Sharepoint?

Senior IT System EngineerIT ProfessionalAuthor Commented:
Yes so that I can ask my manager to dedicate one ESXi host for SharePoint VMs with 4x vCPU along with some other SQL server VMs.
Senior IT System EngineerIT ProfessionalAuthor Commented:
Thanks !
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