VMware Aria Operations collects CPU usage, memory, summary, network, and datastore metrics for custom data center objects.

Custom data center metrics include capacity and badge metrics. See definitions in:

CPU Usage Metrics for Custom Data Centers

CPU usage metrics provide information about CPU use.

Metric Name Description
Host Provisioned Capacity Host provisioned capacity (MHz).

Key: cpu|capacity_provisioned

Provisioned vCPU(s) Provisioned vCPU(s).

Key: cpu|corecount_provisioned

Demand without overhead Value of demand excluding any overhead.

Key: cpu|demand_without_overhead

Number of hosts stressed Number of hosts stressed.

Key: cpu|num_hosts_stressed

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 Host workload max-min disparity.

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

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

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

Memory Metrics for Custom Data Centers

Memory metrics provide information about memory use.

Metric Name Description
Usable Memory Usable memory.

Key: mem|host_usable

Machine Demand Memory machine demand in KB.

Key: mem|host_demand

Number of hosts stressed Number of hosts stressed.

Key: mem|num_hosts_stressed

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 Host workload max-min disparity.

Key: mem|host_workload_disparity

Host stress max-min disparity Host stress max-min disparity.

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

Summary Metrics for Custom Data Centers

Summary metrics provide information about overall performance.

Metric Name Description
Number of Running VMs Number of virtual machines that are ON.

Key: summary|number_running_vms

Maximum Number of VMs Maximum number of virtual machines.

Key: summary|max_number_vms

Status Status of the data center.

Key: summary|status

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.

Network Metrics for Custom Data Centers

Network metrics provide information about network performance.

Metric Name Description
Usage Rate The sum of the data transmitted and received for all the NIC instances of the host or virtual machine.

Key: net|usage_average

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

Datastore Metrics for Custom 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

Reclaimable Metrics for Custom Data Centers

Reclaimable metrics provide information about reclaimable resources.

Metric Name Description
CPU (vCPUs) Number of reclaimable vCPUs within the custom data center.

Key: reclaimable|cpu

Disk Space Reclaimable disk space within the custom 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 custom data center.

Key: reclaimable|cost

Memory (KB) Reclaimable memory within the custom data center.

Key: reclaimable|mem

Number of Orphaned Disks Number of reclaimable orphaned disks within the custom data center.

reclaimable|orphaned_disk_count

Reclaimable|Orphaned Disks|Potential Savings Potential savings in cost after reclamation of orphaned disks across the custom data center.

Key: reclaimable|orphaned_disk|cost

Note: The orphaned disk reclamation feature might not work as expected when VMware Aria Operations monitors multiple vCenters which use shared data stores.
Virtual Machines Number of VMs having reclaimable resources (Memory, disk space, vCPU) within the custom data center.

Key: reclaimable|vm_count

Idle VMs|Potential Savings Potential saving after reclamation of resources of Idle VMs within the custom data center.

Key: reclaimable|idle_vms|cost

Powered Off VMs|Potential Savings Potential saving after reclamation of resources of Powered Off VMs within the custom data center.

Key: reclaimable|poweredOff_vms|cost

VM Snapshots|Potential Savings Potential saving after reclamation of VM snapshots within the custom 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 custom datacenters.

reclaimable|cost

Reclaimable|Number of Orphaned Disks Number of reclaimable orphaned disks is the sum of the numbers of orphaned disks on it's datastore.

reclaimable|orphaned_disk_count

Disk Space Metrics for Custom Data Centers

Disk space metrics provide information about disk use.

Metric Name Description
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

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
Max Observed Throughput Max observed rate of network throughput.

Key: net|maxObserved_KBps

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

Max Observed Reads per second Max observed average number of read commands issued per second during the collection interval.

Key: datastore|maxObserved_NumberRead

Max Observed Read Rate Max observed rate of reading data from the datastore.

Key: datastore|maxObserved_Read

Max Observed Writes per second Max observed average number of write commands issued per second during the collection interval.

Key: datastore|maxObserved_NumberWrite

Max Observed Write Rate Max observed rate of writing data from the datastore.

Key: datastore|maxObserved_Write

Max Observed Number of Outstanding IO Operations Max observer number of outstanding IO operations.

Key: datastore|maxObserved_OIO