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VDI Design Guide—VMware Horizon on 3rd Gen AMD EPYC-based VxRail and vSAN Ready Nodes
Introduction Solution architecture Validation Sizing the Solution Backup and Restore Summary References Appendix A: Definition of performance metrics
Appendix A: Definition of performance metrics

Appendix A: Definition of performance metrics

Home > Workload Solutions > Virtual Desktop Infrastructure > Design and Implementation Guides > VDI Design Guide—VMware Horizon on 3rd Gen AMD EPYC-based VxRail and vSAN Ready Nodes > Appendix A: Definition of performance metrics

Appendix A: Definition of performance metrics

  • The following table explains the performance metrics used during our testing:

    Table 12. Definition of performance metrics
    Metric Definition
    CPU usage The average CPU percentage usage over the steady-state period.
    CPU core utilization The CPU utilization percentage of the corresponding core. A core is utilized if one or both of its logical CPUs are used. This figure is averaged across all cores.
    CPU readiness The percentage of time that the virtual machine was ready but could not get a scheduled run on the physical CPU.
    Consumed memory The amount of host physical memory consumed by a virtual machine, host, or cluster.
    Active memory The amount of memory that is actively used, as estimated by the VM kernel based on recently touched memory pages.
    Network usage Network usage per user is the average over the steady-state period divided by the number of users on a host in megabits per second.
    Cluster disk IOPS Read and write Input/Outputs Operations Per Second (IOPS) consumed by all vSAN clients in the cluster, such as virtual machines, stats objects, and so on.
    Disk I/O (or cluster) latency Average read and write latency of I/Os generated by all vSAN clients in the cluster, such as virtual machines, stats objects, and so on.