VMware Aria Operations collects metrics for Namspace through the vCenter adapter and uses formulas to derive statistics from those metrics. You can use metrics to troubleshoot problems in your environment.

Table 1. Metrics for Namespace
Metric Key Localized Name Description
cpu|usagemhz_average CPU|Usage Average CPU usage in MHZ.
cpu|demandmhz CPU|Demand Demand(MHz).
cpu|capacity_contentionPct CPU|Contention Percent of time descendant virtual machines are unable to run because they are contending for access to the physical CPU(s).
cpu|effective_limit CPU|Effective limit CPU Effective limit.
cpu|reservation_used CPU|Reservation Used CPU Reservation Used.
cpu|estimated_entitlement CPU|Estimated entitlement CPU Estimated entitlement.
cpu|dynamic_entitlement CPU|Dynamic entitlement CPU Dynamic Entitlement.
cpu|capacity_contention CPU|Overall CPU Contention Overall CPU Contention (ms).
cpu|capacity_demandEntitlementPct CPU|Capacity Demand Entitlement CPU Capacity Demand Entitlement Percentage.
mem|usage_average Memory|Usage Memory currently in use as a percentage of total available memory.
mem|guest_provisioned Memory|Total Capacity Total Capacity.
mem|active_average Memory|Guest Active Amount of memory that is actively used.
mem|granted_average Memory|Granted Amount of memory available for use.
mem|shared_average Memory|Shared Amount of shared memory.
mem|overhead_average Memory|VM Overhead Memory overhead reported by host.
mem|consumed_average Memory|Consumed Amount of host memory consumed by the virtual machine for guest memory.
mem|host_contentionPct Memory|Contention Machine Contention Percentage.
mem|guest_usage Memory|Guest Usage Guest Memory Entitlement.
mem|guest_demand Memory|Guest Demand Guest Memory Entitlement.
mem|reservation_used Memory|Reservation Used Memory Reservation Used.
mem|effective_limit Memory|Effective limit Memory Effective limit.
mem|swapinRate_average Memory|Swap In Rate Rate at which memory is swapped from disk into active memory during the collection interval. This can impact performance.
mem|swapoutRate_average Memory|Swap Out Rate Rate at which memory is being swapped from active memory to disk during the current interval.
mem|vmmemctl_average Memory|Balloon Amount of memory currently used by the virtual machine memory control.
mem|zero_average Memory|Zero Amount of memory that is all 0.
mem|swapped_average Memory|Swapped Amount of unreserved memory.
mem|zipped_latest Memory|Zipped N/A
mem|compressionRate_average Memory|Compression Rate N/A
mem|decompressionRate_average Memory|Decompression Rate N/A
mem|swapin_average Memory|Swap In Amount of memory swapped in.
mem|swapout_average Memory|Swap Out Amount of memory swapped out.
mem|swapused_average Memory|Swap Used Amount of memory used for swap space.
mem|host_contention Memory|Contention Machine Contention.
mem|dynamic_entitlement Memory|Dynamic Entitlement Memory Dynamic Entitlement.
diskspace|total_usage Disk Space|Utilization Storage space utilized on connected vSphere Datastores.
summary|configStatus Summary|Config Status Workload Management Configuration Status.
summary|total_number_pods Summary|Number of Pods Number of Pods.
summary|numberKubernetesClusters Summary|Number of Kubernetes clusters Number of Kubernetes clusters.
summary|number_running_vms Summary|Number of Running VMs Number of Running VMs.
summary|total_number_vms Summary|Total Number of VMs Total Number of VMs.
summary|iowait Summary|IO Wait IO Wait.