6.3

Table 1‑9. 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 wrien 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 1‑10. 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 1‑11. 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.
vRealize Operations Definitions for Metrics, Properties, and Alerts
12 VMware, Inc.