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Dominik Eisenberg e951e516de docs: add alerting examples for CPU and CSV (#2317 )

Signed-off-by: EisenbergD <dominik.eisenberg@beiersdorf.com>
Co-authored-by: EisenbergD <dominik.eisenberg@beiersdorf.com>

2026-02-08 13:46:02 +01:00

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os collector

The os collector exposes metrics about the operating system


Metric name prefix	`os`
Classes	`Win32_OperatingSystem`
Enabled by default?	Yes

Flags

None

Metrics

Name	Description	Type	Labels
`windows_os_hostname`	Labelled system hostname information as provided by ComputerSystem.DNSHostName and ComputerSystem.Domain	gauge	`domain`, `fqdn`, `hostname`
`windows_os_info`	Contains full product name & version in labels. Note that the `major_version` for Windows 11 is "10"; a build number greater than 22000 represents Windows 11.	gauge	`product`, `version`, `major_version`, `minor_version`, `build_number`, `revision`, `installation_type`
`windows_os_install_time_timestamp_seconds`	Unix timestamp of OS installation time	gauge	None

Example metric

# HELP windows_os_hostname Labelled system hostname information as provided by ComputerSystem.DNSHostName and ComputerSystem.Domain
# TYPE windows_os_hostname gauge
windows_os_hostname{domain="",fqdn="PC",hostname="PC"} 1
# HELP windows_os_info Contains full product name & version in labels. Note that the "major_version" for Windows 11 is \\"10\\"; a build number greater than 22000 represents Windows 11.
# TYPE windows_os_info gauge
windows_os_info{build_number="19045",installation_type="Client",major_version="10",minor_version="0",product="Windows 10 Pro",revision="4842",version="10.0.19045"} 1
# HELP windows_os_install_time_timestamp_seconds Unix timestamp of OS installation time
# TYPE windows_os_install_time_timestamp_seconds gauge
windows_os_install_time_timestamp_seconds 1.6725312e+09

Useful queries

This collector does not yet have useful queries, we would appreciate your help adding them!

Alerting examples

Average CPU utilization over 1 hour exceeds 80% (New CPU metric)

# Alerts if Agent/Host is down for 5min
- alert: HypervHostDown
    expr: up{app="hyper-v"} == 0
    for: 5m
    labels:
        severity: critical
    annotations:
        summary: Hyper-V host {{ $labels.instance }} is down
        description: |
        Hyper-V host {{ $labels.instance }} has been unreachable for more than 5 minutes.
        Job: {{ $labels.job }}

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