VMware vSphere

 View Only

  • 1.  CPUs - Cores per Socket

    Posted Jun 17, 2019 11:56 AM

    I am having trouble determining the best setup for my Windows Server 2016, even after reading about cores per socket, I am still a little confused as I am new to the VM World. I appreciate any guidance. So originally, I had my server setup as CPUs 8, Cores Per Socket = 1. I spoke with VMware Support and they had me change it to CPU 4 and Cores Per Socket = 2. It seems since I switched the CPU settings, the sever is maxed out on CPU/Memory now more than it was before. Would CPU 8 and Sockets 2 be better? Here is the setup now:



  • 2.  RE: CPUs - Cores per Socket

    Posted Jun 17, 2019 12:32 PM

    Your last line suggests you are posting a screenshot of its current configuration, but nothing was attached.

    Generally speaking, favor sockets over cores unless you have a specific concern (usually licensing). This will allow ESXi to more optimally place those vCPUs across physical processors.



  • 3.  RE: CPUs - Cores per Socket

    Posted Jun 17, 2019 12:36 PM

    Sorry about that. Attached is a screenshot.



  • 4.  RE: CPUs - Cores per Socket

    Posted Jun 17, 2019 01:26 PM

    I second what daphnissov said. Although it depends on your hardware, how many sockets, how many cores per socket, how much memory.

    You may be interested in reading this VMware blog​ for further insight in the matter. The tables will help you with this setting.

    In a nutshell, stay with 1 core per socket unless you cross a NUMA node boundary.