The loan time CPU and reservations
Hi all
Is there a corellation between CPU ready time and CPU reserves? Is it normal that time of CPU ready to abandon if CPU reservations are defined? Shouldn't the time loan CPU be influenced only by the total number of vCPUs assigned to virtual machines and physical processors in the host?
Thank you
Dan
Depends on how many vCPUs are in your virtual machine. The new processors from Intel and AMD, act as NUMA systems. Since they have the controller onboard memory, local memory is faster than remote memory. Each processor has a memory attached to it, so the local memory for the processor is "faster" than the memory attached to another treatment on the system. ESX will typically do a good job for you to manage, but personally, I would get as many cores as I can, more bang for your buck. If you run vSMP large vm, then these two systems should perform similarly.
vExpert
VMware communities moderator
-KjB
Tags: VMware
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