CPU Affinity for a VM in VMware

10 pts.
Tags:
CPU
Virtual Machines
VMware
Hello, I have read about setting CPU Affinity for VM in VMware but I'm not clear about the concept. Please can you explain it in detail with an example scenario, when this should be used? What I understood is by setting a CPU affinity on the virtual machine we limit the available vCPUs on which the virtual machine can run. But I'm not able to understand why we need to limit the available vCPUs for a VM. eg. Suppose a VM has 4 vCPU then what will be the benefit if we create CPU affinity for 2 vCPUs only and what will happen to rest of vCPUs. Will they get used? Also, how this will be linked with physical CPU?

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