VMware Aria Operations collects CPU use, disk, memory, network, and summary metrics for vCenter Server system objects.
CPU Usage Metrics
CPU usage metrics provide information about CPU use.
| Metric Name | Description |
|---|---|
| Capacity Usage (%) | Percent capacity used. Key: cpu|capacity_usagepct_average |
| CPU Contention (%) | Percent CPU contention. Key: cpu|capacity_contentionPct |
| Demand (%) | Percent demand. Key: cpu|demandPct |
| 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 |
| Demand | CPU Demand. Key: cpu|demand_average |
| IO Wait (ms) | IO wait time in milliseconds. Key: cpu|iowait |
| Number of CPU Sockets | Number of CPU sockets. Key: cpu|numpackages |
| Overall CPU Contention (ms) | Overall CPU contention in milliseconds. Key: cpu|capacity_contention |
| Provisioned Capacity (MHz) | Provisioned capacity in megahertz. Key: cpu|capacity_provisioned |
| Provisioned vCPU | Number of provisioned virtual CPU cores. Key: cpu|corecount_provisioned |
| Reserved Capacity (MHz) | Sum of the reservation properties of the immediate children of the host's root resource pool. Key: cpu|reservedCapacity_average |
| Usage (MHz) | Average CPU use in megahertz. Key: cpu|usagemhz_average |
| Wait (ms) | CPU time spent on the idle state. Key: cpu|wait |
| Overhead | Amount of CPU that is overhead. Key: cpu|overhead_average |
| Demand without overhead | Value of demand excluding any overhead. Key: cpu|demand_without_overhead |
| Provisioned Capacity | Provisioned capacity (MHz). Key: cpu|vm_capacity_provisioned |
| 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 |
Datastore Metrics
Datastore metrics provide information about the datastore.
| 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 Metrics
Disk metrics provide information about disk use.
| Metric Name | Description |
|---|---|
| Total IOPS | Average number of commands issued per second during the collection cycle. 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 Device Command Latency and Physical Device Command 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 |
Disk Space Metrics
Disk space metrics provide information about disk space use.
| Metric Name | Description |
|---|---|
| Total disk space used (KB) | Total disk space used on all datastores visible to this object. Key: diskspace|total_usage |
| Total disk space (KB) | Total disk space on all datastores visible to this object. Key: diskspace|total_capacity |
| Total provisioned disk space (KB) | Total provisioned disk space on all datastores visible to this object. Key: diskspace|total_provisioned |
| 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 |
Memory Metrics
Memory metrics provide information about memory use and allocation.
| Metric Name | Description |
|---|---|
| Contention (%) | Percent host memory contention. Key: mem|host_contentionPct |
| Machine Demand (KB) | Host memory demand in kilobytes. Key: mem|host_demand |
| ESX System Usage | Memory usage by the VMkernel and ESX user-level services. Key: mem|host_systemUsage |
| Provisioned Memory (KB) | Provisioned host memory in kilobytes. Key: mem|host_provisioned |
| Reserved Capacity (KB) | Sum of the reservation properties of the immediate children of the host's root resource pool. Key: mem|reservedCapacity_average |
| Usable Memory (KB) | Usable host memory in kilobytes. Key: mem|host_usable |
| Host Usage (KB) | Host memory use in kilobytes. Key: mem|host_usage |
| Usage/Usable (%) | Percent host memory used. Key: mem|host_usagePct |
| Contention (KB) | Host contention in kilobytes. Key: mem|host_contention |
| VM Overhead (KB) | Memory overhead reported by host. Key: mem|overhead_average |
| 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
Network metrics provide information about network performance.
| Metric Name | Description |
|---|---|
| Packets Dropped (%) | Percent network packets dropped. Key: net|droppedPct |
| Total Throughput (KBps) | Sum of the data transmitted and received for all of the NIC instances of the host or virtual machine. Key: net|usage_average |
| Packets Received | Number of packets received in the performance interval. Key: net|packetsRx_summation |
| Packets Transmitted | Number of packets transmitted in the performance interval. Key: net|packetsTx_summation |
| Received Packets Dropped | Number of received packets dropped in the performance interval. Key: net|droppedRx_summation |
| Transmitted Packets Dropped | Number of transmitted packets dropped in the performance interval. Key: net|droppedTx_summation |
| Data Transmit Rate (KBps) | Average amount of data transmitted per second. Key: net|transmitted_average |
| Data Receive Rate (KBps) | Average amount of data received per second. Key: net|received_average |
Summary Metrics
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 virtual machines that are on. Key: summary|number_running_vms |
| Number of Clusters | Total number of clusters. Key: summary|total_number_clusters |
| Total Number of Datastores | Total number of datastores. Key: summary|total_number_datastores |
| 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 |
| Maximum Number of VMs | Maximum number of virtual machines. Key: summary|max_number_vms |
| Workload Indicator (%) | Percent workload indicator. Key: summary|workload_indicator |
| Total Number of data centers | Total number of data centers. Key: summary|total_number_datacenters |
| Number of Cores on Powered On Hosts | Number of cores on powered-on hosts. Key: summary|number_powered_on_cores |
| Number VCPUs on Powered on VMs | Number of virtual CPUs on powered-on virtual machines. Key: summary|number_running_vcpus |
| Average Running VM Count per Running Host | Average running virtual machine count per running host. Key: summary|avg_vm_density |
| VC Query Time (ms) | vCenter Server query time in milliseconds. Key: summary|vc_query_time |
| Derived Metrics Computation Time (ms) | Derived metrics computation time in milliseconds. Key: summary|derived_metrics_comp_time |
| Number of objects | Number of objects. Key: summary|number_objs |
| Number of VC Events | Number of vCenter Server events. Key: summary|number_vc_events |
| Number of SMS Metrics | Number of SMS metrics. Key: summary|number_sms_metrics |
| Collector Memory Usage (MB) | Collector memory use in megabytes. Key: summary|collector_mem_usage |
Virtual Machine Operations Metrics for vCenter Server
- 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 | Description |
|---|---|
| Max Observed Number of Outstanding IO Operations | Maximum observed number of outstanding IO operations. Key: datastore|maxObserved_OIO |
| Max Observed Read Rate | Max observed rate of reading data from the datastore. Key: datastore|maxObserved_Read |
| 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 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 Throughput (KBps) | Max observed rate of network throughput. Key: net|maxObserved_KBps |
| Max Observed Transmitted Throughput (KBps) | Max observed transmitted rate of network throughput. Key: net|maxObserved_Tx_KBps |
| Max Observed Received Throughput (KBps) | Max observed received rate of network throughput. Key: net|maxObserved_Rx_KBps |
