VMware Aria Operations for Networks 6.11

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Health Metrics
Last Updated January 31, 2025

VMware Aria Operations for Networks
 collects health metrics from the Collector
, Platform,
 and system to diagnose and monitor health problems related to the
VMware Aria Operations for Networks
 instance.
Health metrics are of the following types:
  • Node metrics
  • Service metrics
  • System metrics

Viewing Health Metrics

You can view the node and service metrics on
VMware Aria Operations for Networks
Platform and
 Collector pages. Where as, you can view the system metrics only on the
System Dashboard
 page.
To view node and service metrics:
  1. Enter
    Platform
     or
    Collector
     on the search bar.
  2. On the search results page, select a
    Platform or
     Collector to view the health metrics available for that entity.
To view the system metrics, Enter
System Dashboard
 on the search bar.

Node Metrics

Node metrics provide information about the memory, disk IO, and CPU utilization of a node.
Metric Name
Metric API Name
Description
Memory Usage
CUSTOM_METRIC[level:node]vRNI.used.memory.percentage.rate.average.number
Percentage of memory used out of the total configured memory in the given node.
Data Disk Usage
CUSTOM_METRIC[level:node]vRNI.used.disk.percentage.rate.average.number
Percentage of disk input/output used in the given node.
CPU Usage
CUSTOM_METRIC[level:node]vRNI.cpu.utilization.percentage.rate.average.number
Percentage of CPU used out of the total available CPU for a given node.

Service Metrics

Service metrics indicate if a service is running. In the metric API name, you must replace
<service_name>
 with your service name (such as IpfixProcessor, ElasticSearch, Kafka) to view the state of the service.
Metric Name
Metric API Name
Description
Service Uptime
CUSTOM_METRIC[service.name:<service_name>]vRNI.service.uptime.rate.average.number
Binary indicator to check if the
VMware Aria Operations for Networks
 service is running and is healthy.
  • 0 denotes that the service is running and is healthy.
  • 1 denotes that the service is running, and is not healthy.
  • 2 denotes that the service is not running.

System Metrics

System metrics provide information about the performance and usage of the overall
VMware Aria Operations for Networks
 system.
Metric Name
Metric API Name
Description
Processing Lag
grid.messageAge.absolute.latest.millisecond
The lag time of the system's data processing grid.
High processing lag may result in the system showing stale data.
Grid Usage
grid.busy.absolute.latest.percent
The capacity utilization of
VMware Aria Operations for Networks
's processing grid.
The utilization percentage is constantly high if the processing load increases. This may result in potential risk of developing high processing lag.
Adding many data sources, frequent addition and deletion of VMs, and increase in flow count are few of the reasons for increase in the processing load.
Indexer Lag
grid.indexerLag.absolute.latest.millisecond
The lag time of the system's indexer.
High indexer lag may result in the system showing stale data.
VM Count
vRNI.internal.tenants.usage.vm.count.absolute.maximum.number
Total count of discovered VMs in the system.
Host Count
vRNI.internal.tenants.usage.host.count.absolute.maximum.numb
Total count of discovered hosts in the system.
Application Count
vRNI.internal.tenants.usage.application.count.absolute.maximum.number
Total count of saved applications in the system.
Daily Flow Count
vRNI.internal.tenants.usage.flow.daily.count.absolute.maximum.number
Total count of unique flows in the last 24 hours.
Weekly Flow Count
vRNI.internal.tenants.usage.flow.weekly.count.absolute.maximum.number
Total count of unique flows in the last seven days.
Firewall Rule Count
vRNI.internal.tenants.usage.firewallRule.count.absolute.maximum.number
Total count of discovered firewall rules.

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