Hyeperthreading is not needed in latest version of VMWARE ESX so no need to subdivide one physical CPU beyond core. Here is my understanding and see if that helps This will help vmware community to refer this is in real world. Please correct me if above is correct.It will be great if you can use reference from VMware documentation that explains this.Īs mentioned someone should explain this in laymans terms with concept and then use practical/recommeneded best practice. but you can have 1:1 ratio for good performance.Like 1 CORE = 1 vCPU = 1 VM will be a good practice.? There is no one to one relationship between CORES and vCPUs.
What does mean by this? If I have one dual core processor (=2 cores) I can create(overcommit) 50 vCPUs from two cores?ġ Physical CPU X 2 Cores X 25 vCPU = 50 vCPUĭoes this mean that 1 Core supports 25 vCPUs ? Now with VMWARE vCPU concept considering ESX version 5.x Maximums document ( )Īchievable number of vCPU per Core = 25. LOGICAL PROCESSOR = Amount of CPU's presented to the ESX HostĮxample: If I have Two sockets with Two(DUAL) Core Processors means I have total 8 Logical Processors! Is this Correct?
SOCKET = Physical hole where in one Processor can fit in.ĬORE = Logical Processor in physical chipset. I am trying to understand vCPU concept in VMware.
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