vRealize Operations Manager collects configuration, CPU usage, memory, and summary metrics for resource pool objects.

Resource Pool metrics include capacity and badge metrics. See definitions in:

Configuration Metrics for Resource Pools

Configuration metrics provide information about memory and CPU allocation configuration.

Metric Name


Memory Allocation Reservation

Memory Allocation Reservation.

Key: config|mem_alloc_reservation

CPU Usage Metrics for Resource Pools

CPU usage metrics provide information about CPU use.

Metric Name


Capacity Demand Entitlement (%)

CPU Capacity Demand Entitlement Percentage.

Key: cpu|capacity_demandEntitlementPct

Capacity entitlement (MHz)

CPU Capacity Entitlement.

Key: cpu|capacity_entitlement

CPU Contention (%)

CPU capacity contention.

Key: cpu|capacity_contentionPct

Demand (MHz)

CPU demand in megahertz.

Key: cpu|demandmhz

Overall CPU Contention (ms)

Overall CPU contention in milliseconds.

Key: cpu|capacity_contention


Average CPU use in megahertz.

Key: cpu|usagemhz_average

Effective limit

CPU effective limit.

Key: cpu|effective_limit

Reservation Used

CPU reservation used.

Key: cpu|reservation_used

Estimated entitlement

CPU estimated entitlement.

Key: cpu|estimated_entitlement

Dynamic entitlement

CPU dynamic entitlement.

Key: cpu|dynamic_entitlement

Demand without overhead

Value of demand excluding any overhead.

Key: cpu|demand_without_overhead

Memory Metrics for Resource Pools

Memory metrics provide information about memory use and allocation.

Metric Name


Balloon (KB)

Amount of memory currently used by the virtual machine memory control.

Key: mem|vmmemctl_average

Compression Rate (KBps)

Compression rate in kilobytes per second.

Key: mem|compressionRate_average

Consumed (KB)

Amount of host memory consumed by the virtual machine for guest memory.

Key: mem|consumed_average

Contention (%)

Machine contention percentage.

Key: mem|host_contentionPct

Guest usage

Guest memory entitlement.

Key: mem|guest_usage

Guest demand

Guest memory entitlement.

Key: mem|guest_demand

Contention (KB)

Machine contention in kilobytes.

Key: mem|host_contention

Decompression Rate (KBps)

Decompression rate in kilobytes per second.

Key: mem|decompressionRate_average

Granted (KB)

Average of memory available for use.

Key: mem|granted_average

Guest Active (KB)

Amount of memory that is actively used.

Key: mem|active_average

VM Overhead (KB)

Memory overhead reported by host.

Key: mem|overhead_average

Shared (KB)

Amount of shared memory.

Key: mem|shared_average

Reservation Used

Memory Reservation Used.

Key: mem|reservation_used

Dynamic Entitlement

Memory Dynamic Entitlement.

Key: mem|dynamic_entitlement

Effective Limit

Memory Effective Limit.

Key: mem|effective_limit


Rate at which memory is swapped from disk into active memory during the interval.

Key: mem|swapinRate_average


Rate at which memory is being swapped from active memory to disk during the current interval.

Key: mem|swapoutRate_average

Swapped (KB)

Amount of unreserved memory.

Key: mem|swapped_average

Usage (%)

Memory currently in use as a percentage of total available memory.

Key: mem|usage_average

Zero (KB)

Amount of memory that is all zero.

Key: mem|zero_average

Zipped (KB)

Latest zipped memory in kilobytes.

Key: mem|zipped_latest

Swap In (KB)

Amount of memory swapped in kilobytes.

Key: mem|swapin_average

Swap Out (KB)

Amount of memory swapped out in kilobytes.

Key: mem|swapout_average

Swap Used (KB)

Amount of memory used for swap space in kilobytes.

Key: mem|swapused_average

Guest Configured Memory (KB)

Guest configured memory in kilobytes.

Key: mem|guest_provisioned

Summary Metrics for Resource Pools

Summary metrics provide information about overall performance.

Metric Name


Number of Running VMs

Number of running virtual machines.

Key: summary|number_running_vms

Number of VMs

Total number of virtual machines.

Key: summary|total_number_vms

IO Wait (ms)

IO wait time in milliseconds.

Key: summary|iowait