vRealize Operations Manager collects CPU use, disk, memory, network, and summary metrics for vCenter Server system objects.

vCenter Server metrics include capacity and badge metrics. See definitions in:

CPU Usage Metrics

CPU usage metrics provide information about CPU use.

Table 1. CPU Usage Metrics

Metric Key

Metric Name

Description

cpu|capacity_usagepct_average

Capacity Usage (%)

Percent capacity used.

cpu|capacity_contentionPct

CPU Contention (%)

Percent CPU contention.

cpu|demandPct

Demand (%)

Percent demand.

cpu|demandmhz

Demand (MHz)

Demand in megahertz.

cpu|demand_average

Demand

CPU Demand.

cpu|iowait

IO Wait (ms)

IO wait time in milliseconds.

cpu|numpackages

Number of CPU Sockets

Number of CPU sockets.

cpu|capacity_contention

Overall CPU Contention (ms)

Overall CPU contention in milliseconds.

cpu|capacity_provisioned

Provisioned Capacity (MHz)

Provisioned capacity in megahertz.

cpu|corecount_provisioned

Provisioned vCPU

Number of provisioned virtual CPU cores.

cpu|reservedCapacity_average

Reserved Capacity (MHz)

Sum of the reservation properties of the immediate children of the host's root resource pool.

cpu|usagemhz_average

Usage (MHz)

Average CPU use in megahertz.

cpu|wait

Wait (ms)

CPU time spent on the idle state.

cpu|overhead_average

Overhead

Amount of CPU that is overhead.

cpu|demand_without_overhead

Demand without overhead

Value of demand excluding any overhead.

cpu|vm_capacity_provisioned

Provisioned Capacity

Provisioned capacity (MHz).

Datastore Metrics

Datastore metrics provide information about the datastore.

Table 2. Datastore Metrics

Metric Key

Metric Name

Description

datastore|maxObserved_NumberRead

Max Observed Reads per second

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

datastore|maxObserved_Read

Max Observed Read Rate

Max observed rate of reading data from the datastore.

datastore|maxObserved_NumberWrite

Max Observed Writes per second

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

datastore|maxObserved_Write

Max Observed Write Rate

Max observed rate of writing data from the datastore.

datastore|maxObserved_OIO

Max Observed Number of Outstanding IO Operations

Maximum observed number of outstanding IO operations.

datastore|demand_oio

Outstanding IO requests

OIO for datastore.

datastore|numberReadAveraged_average

Reads per second

Average number of read commands issued per second during the collection interval.

datastore|numberWriteAveraged_average

Writes per second

Average number of write commands issued per second during the collection interval.

datastore|read_average

Read Rate

Amount of data read in the performance interval.

datastore|write_average

Write Rate

Amount of data written to disk in the performance interval.

Disk Metrics

Disk metrics provide information about disk use.

Table 3. Disk Metrics

Metric Key

Metric Name

Description

disk|commandsAveraged_average

Commands per second

Average number of commands issued per second during the collection cycle.

disk|totalLatency_average

Disk Command 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.

disk|usage_average

Usage Rate (KBps)

Average of the sum of the data read and written for all of the disk instances of the host or virtual machine.

disk|sum_queued_oio

Total queued outstanding operations

Sum of queued operations and outstanding operations.

disk|max_observed

Max Observed OIO

Max observed IO for a disk.

Diskspace Metrics

Disk space metrics provide information about disk space use.

Table 4. Diskspace Metrics

Metric Key

Metric Name

Description

diskspace|total_usage

Total disk space used (KB)

Total disk space used on all datastores visible to this object.

diskspace|total_capacity

Total disk space (KB)

Total disk space on all datastores visible to this object.

diskspace|total_provisioned

Total provisioned disk space (KB)

Total provisioned disk space on all datastores visible to this object.

Memory Metrics

Memory metrics provide information about memory use and allocation.

Table 5. Memory Metrics

Metric Key

Metric Name

Description

mem|host_contentionPct

Contention (%)

Percent host memory contention.

mem|host_demand

Machine Demand (KB)

Host memory demand in kilobytes.

mem|host_systemUsage

ESX System Usage

Memory usage by the VMkernel and ESX user-level services.

mem|host_provisioned

Provisioned Memory (KB)

Provisioned host memory in kilobytes.

mem|reservedCapacity_average

Reserved Capacity (KB)

Sum of the reservation properties of the immediate children of the host's root resource pool.

mem|host_usable

Usable Memory (KB)

Usable host memory in kilobytes.

mem|host_usage

Host Usage (KB)

Host memory use in kilobytes.

mem|host_usagePct

Usage/Usable (%)

Percent host memory used.

mem|host_contention

Contention (KB)

Host contention in kilobytes.

mem|overhead_average

VM Overhead (KB)

Memory overhead reported by host.

Network Metrics

Network metrics provide information about network performance.

Table 6. Network Metrics

Metric Key

Metric Name

Description

net|droppedPct

Packets Dropped (%)

Percent network packets dropped.

net|usage_average

Usage Rate (KBps)

Sum of the data transmitted and received for all of the NIC instances of the host or virtual machine.

net|packetsRx_summation

Packets Received

Number of packets received in the performance interval.

net|packetsTx_summation

Packets Transmitted

Number of packets transmitted in the performance interval.

net|droppedRx_summation

Received Packets Dropped

Number of received packets dropped in the performance interval.

net|droppedTx_summation

Transmitted Packets Dropped

Number of transmitted packets dropped in the performance interval.

net|maxObserved_KBps

Max Observed Throughput (KBps)

Max observed rate of network throughput.

net|maxObserved_Tx_KBps

Max Observed Transmitted Throughput (KBps)

Max observed transmitted rate of network throughput.

net|maxObserved_Rx_KBps

Max Observed Received Throughput (KBps)

Max observed received rate of network throughput.

net|transmitted_average

Data Transmit Rate (KBps)

Average amount of data transmitted per second.

net|received_average

Data Receive Rate (KBps)

Average amount of data received per second.

Summary Metrics

Summary metrics provide information about overall performance.

Table 7. Summary Metrics

Metric Key

Metric Name

Description

summary|number_running_hosts

Number of Running Hosts

Number of hosts that are on.

summary|number_running_vms

Number of Running VMs

Number of virtual machines that are on.

summary|total_number_clusters

Total Number of Clusters

Total number of clusters.

summary|total_number_datastores

Total Number of Datastores

Total number of datastores.

summary|total_number_hosts

Total Number of Hosts

Total number of hosts.

summary|total_number_vms

Total Number of VMs

Total number of virtual machines.

summary|max_number_vms

Maximum Number of VMs

Maximum number of virtual machines.

summary|workload_indicator

Workload Indicator (%)

Percent workload indicator.

summary|total_number_datacenters

Total Number of Datacenters

Total number of datacenters.

summary|number_powered_on_cores

Number of Cores on Powered On Hosts

Number of cores on powered-on hosts.

summary|number_running_vcpus

Number VCPUs on Powered on VMs

Number of virtual CPUs on powered-on virtual machines.

summary|avg_vm_density

Average Running VM Count per Running Host

Average running virtual machine count per running host.

summary|vc_query_time

VC Query Time (ms)

vCenter Server query time in milliseconds.

summary|derived_metrics_comp_time

Derived Metrics Computation Time (ms)

Derived metrics computation time in milliseconds.

summary|number_objs

Number of objects

Number of objects.

summary|number_vc_events

Number of VC Events

Number of vCenter Server events.

summary|number_sms_metrics

Number of SMS Metrics

Number of SMS metrics.

summary|collector_mem_usage

Collector Memory Usage (MB)

Collector memory use in megabytes.