VMware vRealize Operations Definitions User Manual
vRealize Operations
Definitions for Metrics,
Properties, and Alerts
vRealize Operations Manager 6.7
vRealize Operations Definitions for Metrics, Properties, and Alerts
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Contents
About vRealize Operations Manager Reference for Metrics, Properties, and Alerts 4
Metric Definitions in vRealize Operations Manager 5
1
Metrics for vCenter Server Components 6
Calculated Metrics 84
Self-Monitoring Metrics for vRealize Operations Manager 90
vRealize Automation Metrics 117
Metrics for vSAN 121
Metrics for the Operating Systems and Remote Service Monitoring Plug-ins in
End Point Operations Management 131
Property Definitions in vRealize Operations Manager 150
2
Properties for vCenter Server Components 150
Self-Monitoring Properties for vRealize Operations Manager 166
Properties for vSAN 167
Alert Definitions in vRealize Operations Manager 170
3
Cluster Compute Resource Alert Definitions 171
Host System Alert Definitions 176
vRealize Automation Alert Definitions 190
vSAN Alert Definitions 191
Alerts in the vSphere Web Client 196
vSphere Distributed Port Group 196
Virtual Machine Alert Definitions 197
vSphere Distributed Switch Alert Definitions 204
vCenter Server Alert Definitions 205
Datastore Alert Definitions 206
Data Center Alert Definitions 211
Custom Data Center Alert Definitions 212
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About vRealize Operations Manager Reference for Metrics, Properties, and Alerts
The vRealize Operations Manager Reference for Metrics, Properties, and Alerts provides information
about the metric, properties, and alert definitions provided with vRealize Operations Manager.
Intended Audience
This information is intended for anyone who wants to install and configure vRealize Operations Manager
by using a virtual appliance deployment. The information is written for experienced virtual machine
administrators who are familiar with enterprise management applications and datacenter operations.
VMware Technical Publications Glossary
VMware Technical Publications provides a glossary of terms that might be unfamiliar to you. For
definitions of terms as they are used in VMware technical documentation, go to
http://www.vmware.com/support/pubs.
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Metric Definitions in
vRealize Operations Manager 1
Metric definitions provide an overview of how the metric value is calculated or derived. If you understand
the metric, you can better tune vRealize Operations Manager to display results that help you to manage
your environment.
vRealize Operations Manager collects data from objects in your environment. Each piece of data
collected is called a metric observation or value. vRealize Operations Manager uses the VMware
vCenter® adapter to collect raw metrics. vRealize Operations Manager uses the
vRealize Operations Manager adapter to collect self-monitoring metrics. In addition to the metrics it
collects, vRealize Operations Manager calculates capacity metrics, badge metrics, and metrics to monitor
the health of your system.
All metric definitions are provided. The metrics reported on your system depend on the objects in your
environment. You can use metrics to help troubleshoot problems. See the vRealize Operations Manager
User Guide.
Changes in Metric Availability
The CPU Demand of Recommended (%) metric is no longer available in vRealize Operations Manager
version 6.x. To approximate the metric, create a super metric using the following calculations, and add it
to your Views and Reports as needed.
( (CPU|Stress Free Demand (MHz)) × (CPU|Current Size in Unit(s)) ) ÷ ( (CPU|
Recommended Size (vCPUs)) × (CPU|Current Size (MHz)) )
For more information about super metrics, see the vRealize Operations Manager Information Center.
This chapter includes the following topics:
n
Metrics for vCenter Server Components
n
Calculated Metrics
n
Self-Monitoring Metrics for vRealize Operations Manager
n
vRealize Automation Metrics
n
Metrics for vSAN
n
Metrics for the Operating Systems and Remote Service Monitoring Plug-ins in End Point Operations
Management
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metrics for vCenter Server Components
vRealize Operations Manager connects to VMware vCenter Server® instances through the vCenter
adapter to collect metrics for vCenter Server components and uses formulas to derive statistics from
those metrics. You can use metrics to troubleshoot problems in your environment.
vCenter Server components are listed in the describe.xml file for the vCenter adapter. The following
example shows sensor metrics for the host system in the describe.xml file.
<ResourceGroup instanced="false" key="Sensor" nameKey="1350" validation="">
<ResourceGroup instanced="false" key="fan" nameKey="1351" validation="">
<ResourceAttribute key="currentValue" nameKey="1360" dashboardOrder="1" dataType="float"
defaultMonitored="false" isDiscrete="false" isRate="false" maxVal="" minVal="" unit="percent"/>
<ResourceAttribute key="healthState" nameKey="1361" dashboardOrder="1" dataType="float"
defaultMonitored="false" isDiscrete="false" isRate="false" maxVal="" minVal="" />
</ResourceGroup>
<ResourceGroup instanced="false" key="temperature" nameKey="1352" validation="">
<ResourceAttribute key="currentValue" nameKey="1362" dashboardOrder="1" dataType="float"
defaultMonitored="false" isDiscrete="false" isRate="false" maxVal="" minVal="" />
<ResourceAttribute key="healthState" nameKey="1363" dashboardOrder="1" dataType="float"
defaultMonitored="false" isDiscrete="false" isRate="false" maxVal="" minVal="" />
</ResourceGroup>
</ResourceGroup>
Each ResourceAttribute element includes the name of a metric that appears in the UI and is
documented as a Metric Key.
Table 1‑1. Sensor Metrics for Host System Cooling
Metric Key Metric Name Description
Sensor|fan|currentValue Speed Fan speed.
Sensor|fan|healthState Health State Fan health state.
Sensor|temperature|currentValue Temperature Host system temperature.
Sensor|temperature|healthState Health State Host system health state.
vSphere Metrics
vRealize Operations Manager collects CPU use, disk, memory, network, and summary metrics for objects
in the vSphere world.
Capacity metrics can be calculated for vSphere world objects. See Capacity and Project-Based Metrics.
CPU Usage Metrics
CPU usage metrics provide information about CPU use.
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
CPU|Capacity usage CPU usages as a percent during the interval.
Key: cpu|capacity_usagepct_average
CPU|CPU contention(%) This metric shows the percentage of time the VMs in the ESXi hosts are unable to
run because they are contending for access to the physical CPUs. The number
shown is the average number for all VMs. This number is lower than the highest
number experienced by the VM most impacted by CPU contention.
Use this metric to verify if the host can serve all its VMs efficiently. Low contention
means that the VM can access everything it demands to run smoothly. It means that
the infrastructure is providing good service to the application team.
When using this metric, ensure that the number is within your expectation. Look at
both the relative number and the absolute number. Relative means a drastic change
in value, meaning that the ESXi is unable to serve the VMs. Absolute means that
the real value itself is high. Investigate why the number is high. One factor that
impacts this metric is CPU Power Management. If CPU Power Management clocks
down the CPU speed from 3 GHz to 2 GHz, the reduction in speed is accounted for
because it shows that the VM is not running at full speed.
This metric is calculated in the following way: cpu|capacity_contention / (200 *
summary|number_running_vcpus)
Key: cpu|capacity_contentionPct
CPU|Demand (%) This metric shows the amount of CPU resources a virtual machine might use if there
were no CPU contention or CPU limit. This metric represents the average active
CPU load for the past five minutes.
Keep this number below 100% if you set the power management to maximum.
This metric is calculated in the following way: ( cpu.demandmhz /
cpu.capacity_provisioned)*100
Key: cpu|demandPct
CPU|Demand (MHz) This metric shows the amount of CPU resources a virtual machine might use if there
were no CPU contention or CPU limit.
Key: cpu|demandmhz
CPU|Demand CPU demand in megahertz.
Key: cpu|demand_average
CPU|IO wait IO wait (ms).
Key: cpu|iowait
CPU|number of CPU Sockets Number of CPU sockets.
Key: cpu|numpackages
CPU|Overall CPU Contention Overall CPU contention in milliseconds.
Key: cpu|capacity_contention
CPU|Provisioned Capacity (MHz) Capacity in MHz of the physical CPU cores.
Key: cpu|capacity_provisioned
CPU|Provisioned vCPU(s) Number of provisioned CPU cores.
Key: cpu|corecount_provisioned
CPU|Reserved Capacity (MHz) Total CPU capacity reserved by virtual machines.
Key: cpu|reservedCapacity_average
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
CPU|Usage (MHz) CPU usages, as measured in megahertz, during the interval.
n
VM - Amount of actively used virtual CPU. This is the host's view of the CPU
usage, not the guest operating system view.
n
Host - Sum of the actively used CPU of all powered on virtual machines on a
host. The maximum possible value is the frequency of the two processors
multiplied by the number of processors. For example, if you have a host with
four 2 GHz CPUs running a virtual machine that is using 4000 MHz, the host is
using two CPUs completely: 400 / (4 2000) = 0.50
Key: cpu|usagemhz_average
CPU|Wait Total CPU time spent in wait state. The wait total includes time spent in the CPU
Idle, CPU Swap Wait, and CPU I/O Wait states.
Key: cpu|wait
CPU|Workload (%) Percent of workload
Key: cpu|workload
Memory Metrics
Memory metrics provide information about memory use and allocation.
Metric Name Description
mem|Contention (%) This metric shows the percentage of time VMs are waiting to access swapped
memory.
Use this metric to monitor ESXi memory swapping. A high value indicates that the
ESXi is running low on memory, and a large amount of memory is being swapped.
Key: mem|host_contentionPct
mem|Machine Demand (KB) Host memory demand in kilobytes.
Key: mem|host_demand
mem|Provisioned Memory Provisioned host memory in kilobytes.
Key: mem|host_provisioned
mem|Reserved Capacity (KB) Total amount of memory reservation used by powered-on virtual machines and
vSphere services on the host.
Key: mem|reservedCapacity_average
mem|Usable Memory (KB) Usable host memory in kilobytes.
Key: mem|host_usable
mem|Host Usage (KB) Host memory use in kilobytes.
Key: mem|host_usage
mem|Usage/Usable (%) Memory usage as percentage of total configured or available memory.
Key: mem|host_usagePct
mem|Workload (%) Percent of workload.
Key: mem|workload
Network Metrics
Network metrics provide information about network performance.
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
net|Packets Dropped (%) This metric shows the percentage of received and transmitted packets dropped in
the collection interval.
Use this metric to monitor the reliability and performance of the ESXi network. A
high value indicates that the network is not reliable and performance decreases.
Key: net|droppedPct
net|Usage Rate (KB per second) Sum of the data transmitted and received for all of the NIC instances of the host or
virtual machine.
Key: net|usage_average
net|Workload (%) Percent of workload.
Key: net|workload
Disk Metrics
Disk metrics provide information about disk use.
Metric Name Description
disk|Total IOPS Average number of commands issued per second during the collection cycle.
Key: disk|commandsAveraged_average
disk|Usage Rate (KB per second) Average of the sum of the data read and written for all of the disk instances of the
host or virtual machine.
Key: disk|usage_average
disk|Workload (%) Percent of workload.
Key: disk|workload
Summary Metrics
Summary metrics provide information about overall performance.
Metric Name Description
summary|Number of Running Hosts Number of running hosts.
Key: summary|number_running_hosts
summary|Number of Running VMs This metric shows the number of running VMs at a given point in time. The data is
sampled every five minutes.
A large number of running VMs might be a reason for CPU or memory spikes
because more resources are used in the host. The number of running VMs gives
you a good indicator of how many requests the ESXi host must juggle. Powered off
VMs are not included because they do not impact ESXi performance. A change in
the number of running VMs can contribute to performance problems. A high
number of running VMs in a host also means a higher concentration risk, because
all the VMs fail if the ESXi crashes.
Use this metric to look for a correlation between spikes in the running VMs and
spikes in other metrics such as CPU contention, or memory contention.
Key: summary|number_running_vms
summary|Number of Clusters Total number of clusters.
Key: summary|total_number_clusters
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
summary|Total Number of Datastores Total number of datastores.
Key: summary|total_number_datastores
summary|Number of Hosts Total number of hosts.
Key: summary|total_number_hosts
summary|Number of VMs Total number of virtual machines.
Key: summary|total_number_vms
summary|Total Number of Datacenters Total number of data centers.
Key: summary|total_number_datacenters
summary|Number VCPUs on Powered on
VMs
summary|Average Running VM Count per
Running Host
Number of virtual CPUs on powered-on virtual machines.
Key: summary|number_running_vcpus
Average running virtual machine count per running host.
Key: summary|avg_vm_density
vCenter Server Metrics
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:
n
Capacity and Project-Based Metrics
n
Badge Metrics
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) Demand in megahertz.
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
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
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
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.
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vRealize Operations Definitions for Metrics, Properties, and Alerts
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
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
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
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
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.
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vRealize Operations Definitions for Metrics, Properties, and Alerts
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
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Disabled Metrics
The following metrics are disabled in this version of vRealize Operations Manager. 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
Max Observed Read Rate Max observed rate of reading data from the datastore.
Max Observed Reads per second Max observed average number of read commands issued per second during
Max Observed Writes per second Max observed average number of write commands issued per second
Max Observed Write Rate Max observed rate of writing data from the datastore.
Max Observed Throughput (KBps) Max observed rate of network throughput.
Max Observed Transmitted Throughput (KBps) Max observed transmitted rate of network throughput.
Max Observed Received Throughput (KBps) Max observed received rate of network throughput.
Maximum observed number of outstanding IO operations.
Key: datastore|maxObserved_OIO
Key: datastore|maxObserved_Read
the collection interval.
Key: datastore|maxObserved_NumberRead
during the collection interval.
Key: datastore|maxObserved_NumberWrite
Key: datastore|maxObserved_Write
Key: net|maxObserved_KBps
Key: net|maxObserved_Tx_KBps
Key: net|maxObserved_Rx_KBps
Virtual Machine Metrics
vRealize Operations Manager collects configuration, CPU use, memory, datastore, disk, virtual disk,
guest file system, network, power, disk space, storage, and summary metrics for virtual machine objects.
Capacity metrics can be calculated for virtual machine objects. See Capacity and Project-Based Metrics.
Configuration Metrics for Virtual Machines
Configuration metrics provide information about virtual machine configuration.
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
Config|Thin Provisioned Disk Thin Provisioned Disk.
Key: config|hardware|thin_Enabled
Config|Number of CPUs Number of CPUs for a Virtual Machine.
From vRealize Operations Manager 6.7 and onwards, this
metric is measured in vCPUs instead of cores.
Key: config|hardware|num_Cpu
Config|Disk Space Disk space metrics.
Key: config|hardware|disk_Space
CPU Usage Metrics for Virtual Machines
CPU usage metrics provide information about CPU use.
Metric Name Description
CPU|IO Wait (ms) CPU time spent waiting for IO.
Key: cpu|iowait
CPU|Overall CPU Contention (ms) The amount of time the CPU cannot run due to contention.
Key: cpu|capacity_contention
CPU|Reservation Used CPU Reservation Used.
Key: cpu|reservation_used
CPU|Effective Limit CPU Effective Limit.
Key: cpu|effective_limit
CPU|IO Wait (%) Percentage IO Wait.
Key: cpu|iowaitPct
CPU|Swap wait (%) Percentage swap wait for CPU.
Key: cpu|swapwaitPct
CPU|Wait (%) Percentage of total CPU time spent in wait state.
Key: cpu|waitPct
CPU|System (%) Percentage CPU time spent on system processes.
Key: cpu|systemSummationPct
CPU|Capacity entitlement (MHz) CPU entitlement for the VM after considering all limits.
Key: cpu|capacity_entitlement
CPU|Capacity Demand Entitlement (% Percent capacity demand entitlement.
Key: cpu|capacity_demandEntitlementPct
CPU|CPU Contention (%) CPU contention as a percentage of 20-second collection
interval.
Key: cpu|capacity_contentionPct
CPU|Capacity Provisioned Provisioned CPU capacity in megahertz.
Key: cpu|capacity_provisioned
CPU|Demand (MHz) CPU demand in megahertz.
Key: cpu|demandmhz
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
CPU|Host demand for aggregation Host demand for aggregation.
Key: cpu|host_demand_for_aggregation
CPU|Demand (ms) The total CPU time that the VM might use if there was no
contention.
Key: cpu|demand_average
CPU|Demand (%) CPU demand as a percentage of the provisioned capacity.
Key: cpu|demandPct
CPU|Usage (%) This metric indicates the percentage of CPU that was used
out of all the CPU that was allocated to the VM. CPU usage
can indicate when the VM is undersized.
Key: cpu|usage_average
CPU|Usage (MHz) CPU use in megahertz.
Key: cpu|usagemhz_average
CPU|System (ms) CPU time spent on system processes.
Key: cpu|system_summation
CPU|Ready (%) This metric indicates the percentage of time in which the VM
was waiting in line to use the CPU on the host.
A large ready time for a VM indicates that the VM needed
CPU resources but the infrastructure was busy serving
other VMs. A large ready time might indicate that the host is
trying to serve too many VMs.
Whenever the CPU ready is larger than 10%, you should
check if the host is overloaded, or if the VM really needs all
the resources that were allocated to it.
Key: cpu|readyPct
CPU|Extra (ms) Extra CPU time in milliseconds.
Key: cpu|extra_summation
CPU|Guaranteed (ms) CPU time that is guaranteed for the virtual machine.
Key: cpu|guaranteed_latest
CPU|Co-stop (%) Percentage of time the VM is ready to run, but is unable to
due to co-scheduling constraints.
Key: cpu|costopPct
CPU|Latency Percentage of time the VM is unable to run because it is
contending for access to the physical CPUs.
Key: cpu|latency_average
CPU|Max Limited Time the VM is ready to run, but is not run due to maxing
out its CPU limit setting.
Key: cpu|maxlimited_summation
CPU|Overlap Time the VM was interrupted to perform system services on
behalf of that VM or other VMs.
Key: cpu|overlap_summation
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
CPU|Run Time the VM is scheduled to run.
Key: cpu|run_summation
CPU|Entitlement Latest Entitlement Latest.
Key: cpu|entitlement_latest
CPU Utilization for Resources Metrics for Virtual Machines
CPU utilization for resources metrics provide information about resource CPU use.
Metric Name Description
rescpu|CPU Active (%) (interval) The average active time (actav) or peak active time (actpk)
for the CPU during various intervals.
Key:
rescpu|actav1_latest
rescpu|actav5_latest
rescpu|actav15_latest
rescpu|actpk1_latest
rescpu|actpk5_latest
rescpu|actpk15_latest
rescpu|CPU Running (%) (interval) The average runtime (runav) or peak active time (runpk) for
the CPU during various intervals.
Key:
rescpu|runav1_latest
rescpu|runav5_latest
rescpu|runav15_latest
rescpu|runpk1_latest
rescpu|runpk5_latest
rescpu|runpk15_latest
rescpu|CPU Throttled (%) (interval) Amount of CPU resources over the limit that were refused,
average over various intervals.
Key:
rescpu|maxLimited1_latest
rescpu|maxLimited5_latest
rescpu|maxLimited15_latest
rescpu|Group CPU Sample Count The sample CPU count.
Key: rescpu|sampleCount_latest
rscpu|Group CPU Sample Period (ms) The sample period.
Key: rscpu|samplePeriod_latest
Memory Metrics for Virtual Machines
Memory metrics provide information about memory use and allocation.
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
Mem|Host Active (KB) Host active memory use in kilobytes.
Key: mem|host_active
Mem|Contention (KB) Memory contention in kilobytes.
Key: mem|host_contention
Mem|Contention (%) Percent memory contention.
Key: mem|host_contentionPct
Mem|Guest Configured Memory (KB) Guest operating system configured memory in kilobytes.
Key: mem|guest_provisioned
Mem|Guest Active Memory (%) Percent guest operating system active memory.
Key: mem|guest_activePct
Mem|Guest Non Pageable Memory (KB) Guest operating system non-pageable memory in kilobytes.
Key: mem|guest_nonpageable_estimate
Mem|Reservation Used Memory Reservation Used.
Key: mem|reservation_used
Mem|Effective Limit Memory Effective Limit.
Key: mem|effective_limit
Mem|Demand for aggregation Host demand for aggregation.
Key: mem|host_demand_for_aggregation
Mem|Balloon (%) Percentage of total memory that has been reclaimed via
ballooning.
Key: mem|balloonPct
Mem|Guest Usage (KB) This metric shows the amount of memory the VM uses.
Key: mem|guest_usage
Mem|Guest Demand (KB) Guest operating system demand in kilobytes.
Key: mem|guest_demand
Mem|Guest Non Pageable Memory (KB) Guest operating system non-pageable memory in kilobytes.
Key: mem|host_nonpageable_estimate
Mem|Host Demand (KB) Memory demand in kilobytes.
Key mem|host_demand
Mem|Host Workload Host Workload (%).
Key: host_workload
Mem|Zero (KB) Amount of memory that is all 0.
Key: mem|zero_average
Mem|Swapped (KB) This metric shows how much memory is being swapped.
Meaning, the amount of unreserved memory in kilobytes.
Key: mem|swapped_average
Mem|Swap Target (KB) Amount of memory that can be swapped in kilobytes.
Key: mem|swaptarget_average
Mem|Swap In (KB) Swap-in memory in kilobytes.
Key: mem|swapin_average
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
Mem|Swap Out (KB) Amount of memory swapped out in kilobytes.
Key: mem|swapout_average
Mem|Balloon Target (KB) Amount of memory that can be used by the virtual machine
memory control.
Key: mem|vmmemctltarget_average
Mem|Consumed (KB) Amount of host memory consumed by the virtual machine
for guest memory in kilobytes.
Key: mem|consumed_average
Mem|Overhead (KB) Memory overhead in kilobytes.
Key: mem|overhead_average
Mem|Swap In Rate (KBps) Rate at which memory is swapped from disk into active
memory during the interval.
Key: mem|swapinRate_average
Mem|Active Write (KB) Active writes in kilobytes.
Key: mem|activewrite_average
Mem|Compressed (KB) Compressed memory in kilobytes.
Key: mem|compressed_average
Mem|Compression Rate (KBps) Compression rate in kilobytes per second.
Key: mem|commpressionRate_average
Mem|Decompression Rate (KBps) Decompression rate in kilobytes per second.
Key: mem|decompressionRate_average
Mem|Overhead Max (KB) Maximum overhead in kilobytes.
Key: mem|overheadMax_average
Mem|Zip Saved (KB) Zip-saved memory in kilobytes.
Key: mem|zipSaved_latest
Mem|Zipped (KB) Zipped memory in kilobytes.
Key: mem|zipped_latest
Mem|Entitlement Amount of host physical memory the VM is entitled to, as
determined by the ESX schedule.
Key: mem|entitlement_average
Mem|Capacity Contention Capacity Contention.
Key: mem|capacity.contention_average
Mem|Swap In Rate from Host Cache Rate at which memory is being swapped from host cache
into active memory.
Key: mem|llSwapInRate_average
Mem|Swap Out Rate to Host Cache Rate at which memory is being swapped to host cache from
active memory.
Key: mem|llSwapOutRate_average
Mem|Swap Space Used in Host Cache Space used for caching swapped pages in the host cache.
Key: mem|llSwapUsed_average
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
Mem|Overhead Touched Actively touched overhead memory (KB) reserved for use
as the virtualization overhead for the VM.
Key: mem|overheadTouched_average
Memory|VM Memory Demand (kb) Key: mem|vmMemoryDemand
Memory|Consumed (%) Key: mem|consumedPct
Datastore Metrics for Virtual Machines
Datastore metrics provide information about datastore use.
Metric Name Description
Datastore|Total IOPS Average number of commands issued per second during the
collection interval.
Key: datastore|commandsAveraged_average
Datastore|Outstanding IO requests OIO for datastore.
Key: datastore|demand_oio
Datastore|Number of Outstanding IO Operations Number of outstanding IO operations.
Key: datastore|oio
Datastore|Demand Datastore demand.
Key: datastore|demand
Datastore|Total Latency (ms) The average amount of time taken for a command from the
perspective of a Guest OS. This is the sum of Kernel
Command Latency and Physical Device Command Latency.
Key: datastore|totalLatency_average
Datastore|Total Throughput (KBps) Usage Average (KBps).
Key: datastore|usage_average
Datastore|Used Space (MB) Used space in megabytes.
Key: datastore|used
Datastore|Not Shared (GB) Space used by VMs that is not shared.
Key: datastore|notshared
Datastore|Read IOPS Average number of read commands issued per second
during the collection interval.
Key: datastore|numberReadAveraged_average
Datastore|Write IOPS Average number of write commands issued per second
during the collection interval.
Key: datastore|numberWriteAveraged_average
Datastore|Read Throughput (KBps) This metric shows the amount of data that the VM reads to
the datastore per second.
Key: datastore|read_average
Datastore|Read Latency (ms) Average amount of time for a read operation from the
datastore. Total latency = kernel latency + device latency.
Key: datastore|totalReadLatency_average
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
Datastore|Write Latency (ms) Average amount of time for a write operation to the
datastore. Total latency = kernel latency + device latency.
Key: datastore|totalWriteLatency_average
Datastore|Write Throughput (KBps) This metric shows the amount of data that the VM writes to
the datastore per second.
Key: datastore|write_average
Datastore|Highest Latency Highest Latency.
Key: datastore|maxTotalLatency_latest
Datastore|Total Latency Max Total Latency Max (ms).
Key: datastore|totalLatency_max
Disk Metrics for Virtual Machines
Disk metrics provide information about disk use.
Metric Name Description
Disk|Read IOPS Average number of read commands issued per second
during the collection interval.
Key: disk|numberReadAveraged_average
Disk|Write IOPS Average number of write commands issued per second
during the collection interval.
Key: disk|numberWriteAveraged_average
Disk|Total IOPS Average number of commands issued per second during the
collection interval.
Key: disk|commandsAveraged_average
Disk|Total Throughput (KBps) Use rate in kilobytes per second.
Key: disk|usage_average
Disk|I/O Usage Capacity This metric is a function of storage|usage_average and disk|
workload. Storage|usage_average is an average over all
storage devices. This means that disk|usage_capacity is not
specific to the selected VM or the host of the VM.
Key: disk|usage_capacity
Disk|Number of Outstanding IO Operations Number of outstanding IO operations.
Key: disk|diskoio
Disk|Queued Operations Queued operations.
Key: disk|diskqueued
Disk|Demand (%) Percent demand.
Key: disk|diskdemand
Disk |Total Queued Outstanding Operations Sum of Queued Operation and Outstanding Operations.
Key: disk |sum_queued_oio
Disk|Max Observed OIO Max Observed IO for a disk.
Key: disk|max_observed
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
Disk|Read Throughput KBps) Amount of data read in the performance interval.
Key: disk|read_average
Disk|Write Throughput (KBps) Amount of data written to disk in the performance interval.
Key: disk|write_average
Disk|Read Requests Number of times data was read from the disk in the defined
interval.
Key: disk|numberRead_summation
Disk|Write Requests Number of times data was written to the disk in the defined
interval.
Key: disk|numberWrite_summation
Disk|Bus Resets The number of bus resets in the performance interval.
Key: disk|busResets_summation
Disk|Commands Issued The number of disk commands issued in the performance
interval.
Key: disk|commands_summation
Disk|Commands canceled The number of disk commands canceled in the performance
interval.
Key: disk|commandsAborted_summation
Disk|Highest Latency Highest latency.
Key: disk|maxTotalLatency_latest
Disk|SCSI Reservation Conflicts SCSI Reservation Conflicts.
Key: disk|scsiReservationConflicts_summation
Disk|Read Latency (ms) The average amount of time taken for a read from the
perspective of a Guest OS. This is the sum of Kernel Read
Latency and Physical Device Read Latency.
Key: disk|totalReadLatency_average
Disk|Write Latency (ms) The average amount of time taken for a write from the
perspective of a Guest OS. This is the sum of Kernel Write
Latency and Physical Device Write Latency.
Key: disk|totalWriteLatency_average
Disk|Total Latency (ms) The average amount of time taken for a command from the
perspective of a Guest OS. This is the sum of Kernel
Command Latency and Physical Device Command Latency.
Key: disk|totalLatency_average
Virtual Disk Metrics for Virtual Machines
Virtual disk metrics provide information about virtual disk use.
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
VirtualDisk|Usage Average CPU usage as a percentage.
Key: virtualDisk|usage
VirtualDisk|Total Latency Total latency.
Key: virtualDisk|totalLatency
VirtualDisk|Total IOPS Average number of commands per second.
Key: virtualDisk|commandsAveraged_average
VirtualDisk|Read Requests Average number of read commands issued per second to the
virtual disk during the collection interval.
Key: virtualDisk|numberReadAveraged_average
VirtualDisk|Write Requests Average number of write commands issued per second to
the virtual disk during the collection interval.
Key: virtualDisk|numberWriteAveraged_average
VirtualDisk|Read Throughput (KBps) Rate of reading data from the virtual disk in kilobytes per
second.
Key: virtualDisk|read_average
VirtualDisk|Read Latency (ms) Average amount of time for a read operation from the virtual
disk. Total latency = kernel latency + device latency.
Key: virtualDisk|totalReadLatency_average
VirtualDisk|Write Latency (ms) Average amount of time for a write operation to the virtual
disk. Total latency = kernel latency + device latency.
Key: virtualDisk|totalWriteLatency_average
VirtualDisk|Write Throughput (KBps) Rate of writing data from the virtual disk in kilobytes per
second.
Key: virtualDisk|write_average
VirtualDisk|Bus Resets The number of bus resets in the performance interval.
Key: virtualDisk|busResets_summation
VirtualDisk|Commands Aborted The number of disk commands canceled in the performance
interval.
Key: virtualDisk|commandsAborted_summation
VirtualDisk|Read Load Storage DRS virtual disk metric read load.
Key: virtualDisk|readLoadMetric_latest
VirtualDisk|Outstanding Read Requests Average number of outstanding read requests to the virtual
disk.
Key: virtualDisk|readOIO_latest
VirtualDisk|Write Load Storage DRS virtual disk write load.
Key: virtualDisk|writeLoadMetric_latest
VirtualDisk|Outstanding Write Requests Average number of outstanding write requests to the virtual
disk.
Key: virtualDisk|writeOIO_latest
VirtualDisk|Number of Small Seeks Small Seeks.
Key: virtualDisk|smallSeeks_latest
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
VirtualDisk|Number of Medium Seeks Medium Seeks.
Key: virtualDisk|mediumSeeks_latest
VirtualDisk|Number of Large Seeks Large Seeks.
Key: virtualDisk|largeSeeks_latest
VirtualDisk|Read Latency (microseconds) Read Latency in microseconds.
Key: virtualDisk|readLatencyUS_latest
VirtualDisk|Write Latency (microseconds) Write Latency in microseconds.
Key: virtualDisk|writeLatencyUS_latest
VirtualDisk|Average Read request size Read IO size.
Key: virtualDisk|readIOSize_latest
VirtualDisk|Average Write request size Write IO size.
Key: virtualDisk|writeIOSize_latest
Virtual Disk|Outstanding IO requests (OIOs) Key: virtualDisk|vDiskOIO
Virtual Disk|Used Disk Space (GB) Key: virtualDisk|actualUsage
Guest File System Metrics for Virtual Machines
Guest file system metrics provide information about guest file system capacity and free space.
Metric Name Description
Guest file system|Guest File System Capacity (MB) Total capacity on guest file system in megabytes.
Key: guestfilesystem|capacity
Guest file system|Guest File System Free (MB) Total free space on guest file system in megabytes.
Key: guestfilesystem|freespace
Guest file system|Guest File System Usage (%) Percent guest file system.
Key: guestfilesystem|percentage
Guest file system|Guest File System Usage Total usage of guest file system.
From vRealize Operations Manager 6.7 and onwards, this
metric is measured in GBs.
Key: guestfilesystem|usage
Guest file system|Total Guest File System Capacity (GB) This metric displays the amount of disk space allocated for
the VM.
Correlate other metrics with this metric to indicate if changes
occur in the disk space allocation for the VM.
Key: guestfilesystem|capacity_total
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
Guest file system|Total Guest File System Usage (%) This metric displays the amount of display space being used
out of the total allocated disk space.
Use his metric to track if the overall usage is stable, or if it
reaches the limits. You should avoid having VMs with a disk
space usage of >95% since this might impact your system.
Key: guestfilesystem|percentage_total
Guest file system|Total Guest File System Usage Total usage of guest file system.
Key: guestfilesystem|usage_total
Network Metrics for Virtual Machines
Network metrics provide information about network performance.
Metric Name Description
Net|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
Net|Data Transmit Rate (KBps) This metric shows the rate of data being sent by the VM per
second.
Key: net|transmitted_average
Net|Data Receive Rate (KBps) This metric shows the rate of data received by the VM per
second.
Key: net|received_average
Net|Packets per second Number of packets transmitted and received per second.
Key: net|PacketsPerSec
Net|Packets Received Number of packets received in the performance interval.
Key: net|packetsRx_summation
Net|Packets Transmitted Number of packets transmitted in the performance interval.
Key: net|packetsTx_summation
Net|Transmitted Packets Dropped This metric shows the number of transmitted packets
dropped in the collection interval
Key: net|dropppedTx_summation
Net|Packets Dropped (%) Percentage of packets dropped.
Key: net|droppedPct
Net|Packets Dropped Number of packets dropped in the performance interval.
Key: net|dropped
Net|Broadcast Packets Transmitted Number of broadcast packets transmitted during the
sampling interval.
Key: net|broadcastTx_summation
Net|Broadcast Packets Received Number of broadcast packets received during the sampling
interval.
Key: net|broadcastRx_summation
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
Net|Multicast Packets Received Number of multicast packets received.
Key: net|multicastRx_summation
Net|Multicast Packets Transmitted Number of multicast packets transmitted.
Key: net|multicastTx_summation
Net|VM to Host Data Transmit Rate Average amount of data transmitted per second between VM
and host.
Key: net|host_transmitted_average
Net|VM to Host Data Receive Rate Average amount of data received per second between VM
and host.
Key: net|host_received_average
Net|VM to Host Usage Rate The sum of the data transmitted and received for all the NIC
instances between VM and host.
Key: net|host_usage_average
System Metrics for Virtual Machines
System metrics for virtual machines provide general information about the virtual machine, such as its
build number and running state.
Metric Name Description
Sys|Powered ON Powered on virtual machines. 1 if powered on, 0 if powered
off, -1 if unknown
Key: sys|poweredOn
Sys|OS Uptime Total time elapsed, in seconds, since last operating system
start.
Key: sys|osUptime_latest
Power Metrics for Virtual Machines
Power metrics provide information about power use.
Metric Name Description
Power|Energy (Joule) Energy use in joules.
Key: power|energy_summation
Power|Power (Watt) Average power use in watts.
Key: power|power_average
Disk Space Metrics for Virtual Machines
Disk space metrics provide information about disk space use.
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
Diskspace|Provisioned Space (GB) Provisioned space in gigabytes.
Key: diskspace|provisioned
Diskspace|Provisioned Space for VM Provisioned space for VM.
Key: diskspace|provisionedSpace
Diskspace|Snapshot Space (GB) Space used by snapshots.
Key: diskspace|snapshot
Diskspace|Virtual machine used (GB) Space used by virtual machine files in gigabytes.
Key: diskspace|perDsUsed
Diskspace|Active not shared Unshared disk space used by VMs excluding snapshot.
Key: diskspace|activeNotShared
Storage Metrics for Virtual Machines
Storage metrics provide information about storage use.
Metric Name Description
Storage|Total IOPS Average number of commands issued per second during the
collection interval.
Key: storage|commandsAveraged_average
Storage|Contention (%) Percent contention.
Key: storage|contention
Storage|Read Throughput (KBps) Read throughput rate in kilobytes per second.
Key: storage|read_average
Storage|Read IOPS Average number of read commands issued per second
during the collection interval.
Key: storage|numberReadAveraged_average
Storage|Total Latency (ms) Total latency in milliseconds.
Key: storage|totalLatency_average
Storage|Total Usage (KBps) Total throughput rate in kilobytes per second.
Key: storage|usage_average
Storage|Write Throughput (KBps) Write throughput rate in kilobytes per second.
Key: storage|write_average
Storage|Write IOPS Average number of write commands issued per second
during the collection interval.
Key: storage|numberWriteAveraged_average
Summary Metrics for Virtual Machines
Summary metrics provide information about overall performance.
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
Summary|Running Number of running virtual machines.
Key: summary|running
Summary|Desktop Status Horizon View Desktop Status.
Key: summary|desktop_status
Disabled Metrics
The following metrics are disabled in this version of vRealize Operations Manager. 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
CPU|50% of Recommended number of vCPUs to Remove This metric is superseded by the capacity engine.
cpu|numberToRemove50Pct
CPU|Capacity entitlement (mhz) cpu|capacity_entitlement
CPU|Co-stop (msec) Use the Co-Stop (%) metric instead of this metric.
cpu|costop_summation
CPU|Demand Over Capacity (mhz) cpu|demandOverCapacity
CPU|Demand Over Limit (mhz) Use Contention (%) metric instead of this metric.
cpu|demandOverLimit
CPU|Dynamic entitlement cpu|dynamic_entitlement
CPU|Estimated entitlement cpu|estimated_entitlement
CPU|Idle (%) cpu|idlePct
CPU|Idle (msec) cpu|idle_summation
CPU|IO Wait (msec) cpu|iowait
CPU|Normalized Co-stop (%) Use the Co-Stop (%) metric instead of this metric.
cpu|perCpuCoStopPct
CPU|Provisioned vCPU(s) (Cores) cpu|corecount_provisioned
CPU|Ready (msec) Choose the Use Ready (%) metric instead of this metric.
cpu|ready_summation
CPU|Recommended number of vCPUs to Add This metric is superseded by the capacity engine
cpu|numberToAdd
CPU|Recommended number of vCPUs to Remove This metric is superseded by the capacity engine
cpu|numberToRemove
CPU|Recommended Size Reduction (%) cpu|sizePctReduction
CPU|Swap Wait (msec) cpu|swapwait_summation
CPU|Total Wait (msec) cpu|wait
CPU|Used (msec) cpu|used_summation
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vRealize Operations Definitions for Metrics, Properties, and Alerts
Metric Name Description
CPU|Wait (msec) cpu|wait_summation
Datastore I/O|Max Observed Number of Outstanding IO Operations datastore|maxObserved_OIO
Datastore I/O|Max Observed Read Rate (kbps) datastore|maxObserved_Read
Datastore I/O|Max Observed Reads per second datastore|maxObserved_NumberRead
Datastore I/O|Max Observed Write Rate (kbps) datastore|maxObserved_Write
Datastore I/O|Max Observed Writes per second datastore|maxObserved_NumberWrite
Disk Space|Not Shared (gb) diskspace|notshared
Disk Space|Number of Virtual Disks diskspace|numvmdisk
Disk Space|Shared Used (gb) diskspace|shared
Disk Space|Total disk space used (gb) diskspace|total_usage
Disk Space|Total disk space (gb) diskspace|total_capacity
Disk Space|Total provisioned disk space (gb) diskspace|total_provisioned
Disk Space|Virtual Disk Used (gb) diskspace|diskused
Guest File System stats|Total Guest File System Free (gb) guestfilesystem|freespace_total
Guest|Active File Cache Memory (kb) guest|mem.activeFileCache_latest
Guest|Context Swap Rate per second guest|contextSwapRate_latest
Guest|Huge Page Size (kb) guest|hugePage.size_latest
Guest|Page Out Rate per second guest|page.outRate_latest
Guest|Total Huge Pages guest|hugePage.total_latest
Memory|50% of Reclaimable Memory Capacity (gb) This metric is superseded by the capacity engine.
mem|wasteValue50PctInGB
Memory|Balloon (kb) mem|vmmemctl_average
Memory|Demand Over Capacity mem|demandOverCapacity
Memory|Demand Over Limit mem|demandOverLimit
Memory|Granted (kb) mem|granted_average
Memory|Guest Active (kb) mem|active_average
Memory|Guest Dynamic Entitlement (kb) mem|guest_dynamic_entitlement
Memory|Guest Workload (%) mem|guest_workload
Memory|Host Demand with Reservation (kb) mem|host_demand_reservation
Memory|Host Dynamic Entitlement (kb) mem|host_dynamic_entitlement
Memory|Host Usage (kb) mem|host_usage
Memory|Host Workload (%) mem|host_workload
Memory|Latency (%) Use the Memory Contention (%) metric instead of this
metric.
mem|latency_average
Memory|Numa Local Latest (kb) mem|numa.local_latest
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