Lighter workloads get the default balanced profile. The ERP servers are typically standalone. That's typically because I'm charged for power and cooling in a data center, and may need to be able to consolidate more physical servers into a given footprint. The Virtualization hosts can follow the same model, but if I'm power-constrained (like in a co-location facility) or the workload is minimal across the hosts/cluster, I will leave the default balanced power/performance profile enabled. The systems that require deterministic performance and low-latency are typically set to a high-performance profile, disabling all C-States/P-States and any power throttling. In general, I base the system performance profile on the application and intended use of the server.
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