The reason being I have to use only one VM in proxmox, is that I can utilise maximum vcpus from it. My current standalone application on a physical server requires more cores than it actually has. Physical server has to total 16 cores comprising two sockets. Application requires at least 30 cores so this is the reason I am planning to migrate my this application server on proxmox having 16 gb of ram and 16 core (8+8) 2-sockets so that I can use this single VM to obtain maximum cores (Vcpu's). By doing this can I get maximum or improved processing performance for my application? I'm aware that I ll have to reserve some cores and Ram for PVE as well. Can anyone lights on this. Thanks in advance.
Use of single VM on proxmox to use double cores on multiple sockets as Vcpu's
- Thread starter pranit
- Start date
Proxmox VE does not allow to use more cores (for a single VM) than you physically have.
I was asking about virtual CPUs, since I have 2 sockets in server. Each has 8 cores so Vcpu's ll be 32 right
32 Logical cores yes, if your CPU supports hyperthreading (most do). Best practice is to reserve some CPU cores for the host. The moment you begin utilizing multiple guests (VMs or CTs), consider reducing the CPU allocation of your first VM. Historically, people have provisioned VMs based on physical cores, attempting to reduce the number of scheduling issues and context switches occurring.