Data Center Metrics

VMware Aria Operations collects CPU usage, disk, memory, network, storage, disk space, and summary metrics for data center objects.

Data center metrics include capacity and badge metrics. See definitions in:

• Capacity Analytics Generated Metrics
• Badge Metrics

Data Center Metrics for ROI Dashboard

Data center metrics provide information about data center savings across vCenters.

Metric Name	Description
Realized Cost Savings
Realized Savings Idle Cost	This metric displays the total realize savings for VMs across all vCenters. Key: cost|realized_savings|realizedIdleCost
Realized Savings Powered Off Cost (AOA)	This metric displays the total realized savings for powered off VMs across all vCenters. Key: cost|realized_savings|realizedPoweredOffCost
Realized Savings Snapshot Space Cost (AOA)	This metric displays the snapshots space saved across all vCenters. Key: cost|realized_savings|realizedSnapshotSpaceCost
Realized Savings Oversized Cost (AOA)	This metric displays the oversized savings across all vCenters. Key: cost|realized_savings|realizedOversizedCost
Realized Savings Orphaned Disk Space Cost (AOA)	This metric displays the amount of disk space saved by orphaned disks across all vCenters. Key: cost|realized_savings|realizedOrphanedDiskSpaceCost
Realized Savings Reclaimable Host Cost (AOA)	This metric displays the amount of reclaimable host savings across all vCenters. Key: cost|realized_savings|realizedReclaimableHostCost
Realized vCPUs from Oversized VMs	This metric displays the number of vCPUs realized across all vCenters. Key: realized|realizedVCpus
Compute Realized Memory from Oversized VMs	This metric displays the amount of memory realized from oversized VMs across all vCenters. Key: compute_realized|realizedOversizedMem
Realized Potential Memory Consumed from Oversized VMs	This metric displays the potential memory consumed from oversized VMs across all vCenters. Key: realized|realizedPotentialMemConsumed
Compute Realized vCPUs from Oversized VMs	This metric displays the realized vCPUs from oversized VMs across all vCenters. Key: compute_realized|realizedOversizedVCpus
Compute Realized vCPUs from Idle VMs	This metric displays the realized vCPUs from idle VMs across all vCenters. Key: compute_realized|realizedIdleVCpus
Compute Realized Memory from Idle VMs	This metric displays the amount of memory realized from idle VMs across all vCenters. Key: compute_realized|realizedIdleMem
Disk Space Realized Idle VMs	This metric displays the amount of disk space realized from idle VMs across all vCenters. Key: storage_realized|realizedIdleDiskSpace
Disk Space Realized PoweredOff VMs	This metric displays the amount of disk space realized from powered off VMs across all vCenters. Key: storage_realized|realizedPoweredOffDiskSpace
Disk Space Realized VM Snapshots	This metric displays the amount of disk space realized from VM snapshots across all vCenters. Key: storage_realized|realizedSnapshotSpace
Disk Space Realized Orphaned Disks	This metric displays the amount of disk space realized from orphaned disks across all vCenters. Key: storage_realized|realizedIdleDiskSpace
Realized Savings Total Realized Cost	This metric displays the total realized cost across all vCenters. Key: cost|realized_savings|realizedTotalCost

CPU Usage Metrics for Data Centers

CPU usage metrics provide information about CPU use.

Metric Name	Description
Capacity Usage (%)	Percent capacity used. Key: cpu|capacity_usagepct_average
CPU Contention (%)	CPU capacity contention. Key: cpu|capacity_contentionPct
Demand (%)	CPU demand percentage. Key: cpu|demandPct
Demand	Demand in megahertz. Key: cpu|demandmhz
Demand (MHz)	CPU utilization level based on descendant virtual machines utilization. This Includes reservations, limits, and overhead to run the virtual machines. Key: cpu|demandmhz
Overhead (KB)	Amount of CPU overhead. Key: cpu|overhead_average
Demand without overhead	Value of demand excluding any overhead. Key: cpu|demand_without_overhead
Total Wait	CPU time spent on idle state. Key: cpu|wait
Number of CPU Sockets	Number of CPU sockets. Key: cpu|numpackages
Overall CPU Contention (ms)	Overall CPU contention in milliseconds. Key: cpu|capacity_contention
Host Provisioned Capacity (MHz)	Host provisioned capacity in megahertz. Key: cpu|capacity_provisioned
Provisioned vCPU(s)	Provisioned vCPU(s). Key: cpu|corecount_provisioned
Reserved Capacity (MHz)	The sum of the reservation properties of the (immediate) children of the host's root resource pool. Key: cpu|reservedCapacity_average
Usage	Average CPU usage in megahertz. Key: cpu|usagemhz_average
IO Wait	IO wait time in milliseconds. Key: cpu|iowait
Provisioned Capacity	Provisioned Capacity. Key: cpu|vm_capacity_provisioned
Stress Balance Factor	Stress Balance Factor. Key: cpu|stress_balance_factor
Lowest Provider Capacity Remaining	Lowest Provider Capacity Remaining. Key: cpu|min_host_capacity_remaining
Workload Balance Factor	Workload Balance Factor. Key: cpu|workload_balance_factor
Highest Provider Workload	Highest Provider Workload. Key: cpu|max_host_workload
Host workload Max-Min Disparity	Difference of Max and Min host workload in the container. Key: cpu|host_workload_disparity
Host stress Max-Min Disparity	Difference of Max and Min host stress in the container. Key: cpu|host_stress_disparity
Total Capacity (MHz)	Total CPU resources configured on the descendant ESXi hosts. Key: cpu|capacity_provisioned
Usable Capacity (MHz)	The usable CPU resources that are available for the virtual machines after considering reservations for vSphere High Availability (HA) and other vSphere services. Key: cpu|haTotalCapacity_average

Disk Metrics for Data Centers

Disk metrics provide information about disk use.

Metric Name	Description
Total IOPS	Average number of commands issued per second during the collection interval. Key: disk|commandsAveraged_average
Total Latency (ms)	Average amount of time taken for a command from the perspective of the guest operating system. This metric is the sum of the Kernel Latency and Physical Device Latency metrics. Key: disk|totalLatency_average
Total Throughput (KBps)	Average of the sum of the data read and written for all the disk instances of the host or virtual machine. Key: disk|usage_average
Total queued outstanding operations	Sum of queued operations and outstanding operations. Key: disk|sum_queued_oio
Max observed OIO	Max observed IO for a disk. Key: disk|max_observed

Memory Metrics for Data Centers

Memory metrics provide information about memory use and allocation.

Metric Name	Description
Contention (%)	Machine Contention Percentage. Key: mem|host_contentionPct
Machine Demand (KB)	Memory machine demand in kilobytes. Key: mem|host_demand
ESX System Usage	Memory usage by the VM kernel and ESX user-level services. Key: mem|host_systemUsage
Provisioned Memory (KB)	Provisioned host memory in kilobytes. Key: mem|host_provisioned
Reserved Capacity (KB)	Reserved memory capacity in kilobytes. Key: mem|reservedCapacity_average
Usable Memory (KB)	Usable host memory in kilobytes. Key: mem|host_usable
Host Usage	Host memory use in kilobytes. Key: mem|host_usage
Usage/Usable (%)	Percent host memory used. Key: mem|host_usagePct
VM Overhead	Memory overhead reported by host. Key: mem|overhead_average
Stress Balance Factor	Stress Balance Factor. Key: mem|stress_balance_factor
Lowest Provider Capacity Remaining	Lowest Provider Capacity Remaining. Key: mem|min_host_capacity_remaining
Workload Balance Factor	Workload Balance Factor. Key: mem|workload_balance_factor
Highest Provider Workload	Highest Provider Workload. Key: mem|max_host_workload
Host workload Max-Min Disparity	Difference of Max and Min host workload in the container. Key: mem|host_workload_disparity
Host stress Max-Min Disparity	Difference of Max and Min host stress in the container. Key: mem|host_stress_disparity
Utilization (KB)	Memory utilization level based on the descendant virtual machines utilization. Includes reservations, limits, and overhead to run the Virtual Machines. Key: mem|total_need
Total Capacity (KB)	Total physical memory configured on descendant ESXi hosts. Key: mem|host_provisioned
Usable Capacity (KB)	The usable memory resources available for the virtual machines after considering reservations for vSphere HA and other vSphere services. Key: mem|haTotalCapacity_average

Network Metrics for Data Centers

Network metrics provide information about network performance.

Metric Name	Description
Packets Dropped	Percentage of packets dropped. Key: net|droppedPct
Max Observed Throughput	Max observed rate of network throughput. Key: net|maxObservedKBps
Data Transmit Rate	Average amount of data transmitted per second. Key: net|transmitted_average
Data Receive Rate	Average amount of data received per second. Key: net|received_average
Total Throughput (KBps)	The sum of the data transmitted and received for all the NIC instances of the host or virtual machine. Key: net|usage_average

Storage Metrics for Data Centers

Storage metrics provide information about storage use.

Metric Name	Description
Total Usage	Total throughput rate. Key: storage|usage_average

Datastore Metrics for Data Centers

Datastore metrics provide information about Datastore use.

Metric Name	Description
Outstanding IO requests	OIO for datastore. Key: datastore|demand_oio
Read IOPS	Average number of read commands issued per second during the collection interval. Key: datastore|numberReadAveraged_average
Write IOPS	Average number of write commands issued per second during the collection interval. Key: datastore|numberWriteAveraged_average
Read Throughput (KBps)	Amount of data read in the performance interval. Key: datastore|read_average
Write Throughput (KBps)	Amount of data written to disk in the performance interval. Key: datastore|write_average

Disk Space Metrics for Data Centers

Disk space metrics provide information about disk use.

Metric Name	Description
Virtual machine used	Used virtual machine disk space in gigabytes. Key: diskspace|used
Total disk space used	Total disk space used on all datastores visible to this object. Key: diskspace|total_usage
Total disk space	Total disk space on all datastores visible to this object. Key: diskspace|total_capacity
Total provisioned disk space	Total provisioned disk space on all datastores visible to this object. Key: diskspace|total_provisioned
Shared Used (GB)	Shared disk space in gigabytes. Key: diskspace|shared
Snapshot Space (GB)	Snapshot disk space in gigabytes. Key: diskspace|snapshot
Virtual Disk Used (GB)	Used virtual disk space in gigabytes. Key: diskspace|diskused
Number of Virtual Disks	Number of Virtual Disks. Key: diskspace|numvmdisk
Utilization (GB)	Storage space used on the connected vSphere Datastores. Key: diskspace|total_usage
Total Capacity (GB)	Total storage space available on the connected vSphere datastores. Key: diskspace|total_capacity

Summary Metrics for Data Centers

Summary metrics provide information about overall performance.

Metric Name	Description
Number of Running Hosts	Number of hosts that are ON. Key: summary|number_running_hosts
Number of Running VMs	Number of running virtual machines. Key: summary|number_running_vms
Maximum Number of VMs	Maximum number of virtual machines. Key: summary|max_number_vms
Number of Clusters	Total number of clusters. Key: summary|total_number_clusters
Number of Hosts	Total number of hosts. Key: summary|total_number_hosts
Number of VMs	Total number of virtual machines. Key: summary|total_number_vms
Total Number of Datastores	Total number of datastores. Key: summary|total_number_datastores
Number of VCPUs on Powered On VMs	Total number of VCPUs of virtual machines that are powered on. Key: summary|number_running_vcpus
Workload Indicator	Workload indicator. Key: summary|workload_indicator
Average Running VM Count per Running Host	Average number of running virtual machines per running host. Key: summary|avg_vm_density
WLP	Displays the VM migration trend as part of workload optimization. These metrics are deactivated by default. You must activate them from policies. Fail Count: Number of failed VM move attempts in the last daily cycle. Number of runs: The total number of times the WLP was run during the last daily cycle. Success Count: The number of successful VM moves during the last daily cycle.

Reclaimable Metrics for Data Centers

Reclaimable metrics provide information about reclaimable resources.

Metric Name	Description
CPU (vCPUs)	Number of reclaimable vCPUs within the data center. Key: reclaimable|cpu
Disk Space	Reclaimable disk space within the data center. Key: reclaimable|diskspace
Potential Savings	Potential saving after reclamation of resources of all reclaimable VMs (Idle VMs, Powered Off VMs, VM snapshots) within the data center. Key: reclaimable|cost
Memory (KB)	Reclaimable memory within the data center. Key: reclaimable|mem
Virtual Machines	Number of VMs having reclaimable resources (Memory, disk space, vCPU) within the data center. Key: reclaimable|vm_count
Idle VMs|Potential Savings	Potential saving after reclamation of resources of Idle VMs within the data center. Key: reclaimable|idle_vms|cost
Powered Off VMs|Potential Savings	Potential saving after reclamation of resources of Powered Off VMs within the data center. Key: reclaimable|poweredOff_vms|cost
VM Snapshots|Potential Savings	Potential saving after reclamation of VM snapshots within the data center. Key: reclaimable|vm_snapshots |cost
Reclaimable|Orphaned Disks|Potential Savings (Currency)	Displays the potential savings after reclaimation of disk space by removing orphaned VMDks from all datastores under datacenter. reclaimable|cost
Reclaimable|Number of Orphaned Disks	Number of reclaimable orphaned disks is the sum of all orphaned disks on it's datastore. reclaimable|orphaned_disk_count
Reclaimable Host Cost	This metric calculates the cumulated reclaimable host cost at cluster level and displays the same metric at data center level. Reclaimable|Reclaimable Host Cost (Currency)

Cost Metrics for Data Centers

Cost metrics provide information about the cost.

Note: The Effective metrics based on the capacity model assigned at the cluster (Demand/Allocation) pick the corresponding metric from underneath the clusters.

Metric Name	Description
Monthly Cluster Aggregated Allocated Cost	This metric displays the sum of the monthly allocated cost for both cluster and unclustered hosts. Key: Cost|Allocation|Monthly Cluster Aggregated Allocated Cost
Monthly Cluster Aggregated Unallocated Cost	This metric displays the sum of both cluster and unclustered hosts unallocated cost. Key: Cost|Allocation|Monthly Cluster Aggregated Unallocated Cost
Monthly Datastore Aggregated Allocated Cost	This metric displays the monthly aggregated allocated cost at datastore level. Key: Cost|Allocation|Monthly Datastore Aggregated Allocated Cost
Monthly Datastore Aggregated Unallocated Cost	This metric displays the monthly aggregated unallocated cost at datastore level. Key: Cost|Allocation|Monthly Datastore Aggregated Unallocated Cost
Monthly Cluster Effective Aggregated Allocated Cost	This metric displays the Monthly Cluster Effective Aggregated Allocated Cost cost. Key: Cost|Monthly Cluster Effective Aggregated Allocated Cost
Monthly Cluster Effective Aggregated Unallocated Cost	This metric displays the Monthly Cluster Effective Aggregated Unallocated Cost. Key: Cost|Monthly Cluster Effective Aggregated Unallocated Cost
Monthly Datastore Effective Aggregated Allocated Cost	This metric displays the Monthly Datastore Effective Aggregated Allocated Cost at datastore level. Key: Cost|Allocation|Monthly Datastore Effective Aggregated Allocated Cost
Monthly Datastore Effective Aggregated Unallocated Cost	This metric displays the Monthly Datastore Effective Aggregated Unallocated Cost at datastore level. Key: Cost|Allocation|Monthly Datastore Effective Aggregated Unallocated Cost
Note: The eight allocation metrics mentioned above, helps you to calculate the cost when you enable the allocation model for costing. The same set of metrics are available when you enable demand model also.
Monthly Cluster Aggregated Cost	This metric displays the sum of monthly aggregated allocated and unallocated cost for clusters. Key: cost|clusterCost
Monthly Cluster Aggregated Unallocated Cost	This metric displays the sum of the monthly unallocated cost for both cluster and unclustered hosts. Key: Cost|Monthly Cluster Aggregated Unallocated Cost
Monthly Datacenter Aggregated Total Cost	Monthly aggregated total cost for the data center. Key: Cost|Monthly Datacenter Aggregated Total Cost
Monthly Datastore Total Cost	Monthly data store total cost. Key: cost|totalCost
Monthly Datastore Aggregated Allocated Cost	Monthly aggregated allocated cost for the datastore. Key: cost|aggrDataStoreAllocatedCost
Monthly Datastore Aggregated Unallocated Cost	Monthly aggregated unallocated cost for the datastore. Key: cost|aggrDataStoreUnallocatedCost
Monthly VM Aggregated Direct Cost	Month to date aggregated VM direct cost across all the VMs under the data center. Key: cost|vmDirectCost

Virtual Machine Operations Metrics for Data Centers

VM operations metrics provide information about the actions performed on the VMs in the datacenter. The following are some important points you must know about VM operation metrics for data centers.

• VM operations metrics is not collected for custom data centers.
• If you edit a VM settings and do not perform any action, still it is considered as VM reconfigure operation.
• During Revert Snapshot, VMs are powered-off, but this operation is not counted under VM Power-off metric.
• Adding ESXi with VMs is not counted under VM Create metric.
• Removing ESXi with VMs is not coutned under VM Remove metric.
• VM hardstop operation is not counted under VM Power Off metric.

Metric Name	Description
Inventory
VM Clone	This metric displays the number of clone operations on the virtual machine. Key: Inventory|VM Clone
VM Create	This metric displays the number of create operations on the virtual machine. Key: Inventory|VM Create
VM Delete	This metric displays the number of delete operations on the virtual machine. Key: Inventory|VM Delete
VM Reconfigure	This metric displays the number of reconfigure operations on the virtual machine. Key: Inventory|VM Reconfigure
VM Register	This metric displays the number of register operations on the virtual machine. Key: Inventory|VM Register
VM Template Deploy	This metric displays the number templates deployed on the virtual machine. Key: Inventory|VM Template Deploy
VM Unregister	This metric displays the number of unregister operations on the virtual machine. Key: Inventory|VM Unregister
Location
Storage vMotion	This metric displays the number of migrations with vMotion (datastore change operations for Powered-on VMs). Key: Location|Storage vMotion
VM Datastore Change (powered-off VMs)	This metric displays the number of datastore change operations, for powered-off and suspended virtual machines. Key: Location|VM Datastore Change (powered-off VMs)
VM Host and Datastore Change (powered-off VMs)	This metric displays the number of host and datastore change operations, for powered-off and suspended virtual machines. Key: Location|VM Host and Datastore Change (powered-off VMs)
VM Host and Datastore Change (powered-on VMs)	This metric displays the number of host and datastore change operations, for powered-on and suspended virtual machines. Key: Location|VM Host and Datastore Change (powered-on VMs)
VM Host Change (powered-off VMs)	This metric displays the number of host change operations, for powered-off and suspended virtual machines. Key: Location|VM Host Change (powered-off VMs)
vMotion	This metric displays the number of migrations with vMotion (host change operations for powered-on VMs). Key: Location|vMotion
State
VM Guest Reboot	This metric displays the number of reboot operations on the virtual machine guest. Key: State|VM Guest Reboot
VM Guest Shutdown	This metric displays the number of shutdown operations on the virtual machine guest. Key: State|VM Guest Shutdown
VM Power Off	This metric displays the number of power-off operations on the virtual machine. Key: State|VM Power Off
VM Power On	This metric displays the number of power-on operations on the virtual machine. Key: State|VM Power On
VM Reset	This metric displays the number of reset operations on the virtual machine guest. Key: State|VM Reset
VM Standby Guest	This metric displays the number of standby operations on the virtual machine guest. Key: State|VM Standby Guest
VM Suspend	This metric displays the number of suspend operations on the virtual machine. Key: State|VM Suspend

Disabled Metrics

The following metrics are disabled in this version of VMware Aria Operations . This means that they do not collect data by default.

You can enable these metrics in the Policy workspace. For more information, in VMware Docs search for Collect Metrics and Properties Details.

Metric Name	Key
Datastore I/O|Max Observed Number of Outstanding IO Operations (IOPS)	datastore|maxObserved_OIO
Datastore I/O|Max Observed Read Rate (KBps)	datastore|maxObserved_Read
Datastore I/O|Max Observed Reads per second (IOPS)	datastore|maxObserved_NumberRead
Datastore I/O|Max Observed Write Rate (KBps)	datastore|maxObserved_Write
Datastore I/O|Max Observed Writes per second (IOPS)0	datastore|maxObserved_NumberWrite
Max Observed Transmitted Throughput	Max observed transmitted rate of network throughput. Key: net|maxObserved_Tx_KBps
Max Observed Received Throughput	Max observed received rate of network throughput. Key: net|maxObserved_Rx_KBps
Not Shared (GB)	Unshared disk space in gigabytes. Key: diskspace|notshared