General node alerts

This section lists the general alerts for Kubernetes nodes.


FileDescriptorUsageMajor

Severity

Major

Summary

Node uses 90% of file descriptors.

Description

The {{ $labels.node }} node uses 90% of file descriptors.

FileDescriptorUsageWarning

Severity

Warning

Summary

Node uses 80% of file descriptors.

Description

The {{ $labels.node }} node uses 80% of file descriptors.

NodeExporterTargetDown

Severity

Critical

Summary

Node Exporter Prometheus target is down.

Description

Prometheus fails to scrape metrics from the Node Exporter endpoint on the {{ $labels.node }} node.

NodeExporterTargetsOutage

Severity

Critical

Summary

Node Exporter Prometheus targets outage.

Description

Prometheus fails to scrape metrics from all Node Exporter endpoints.

SystemCpuFullWarning

Severity

Warning

Summary

High CPU consumption.

Description

The average CPU consumption on the {{ $labels.node }} node is {{ $value }}% for 2 minutes.

SystemLoadTooHighWarning

Severity

Warning

Summary

System load is more than 1 per CPU.

Description

The system load per CPU on the {{ $labels.node }} node is {{ $value }} for 5 minutes.

SystemLoadTooHighCritical

Severity

Critical

Summary

System load is more than 2 per CPU.

Description

The system load per CPU on the {{ $labels.node }} node is {{ $value }} for 5 minutes.

SystemDiskFullWarning

Severity

Warning

Summary

Disk partition {{ $labels.mountpoint }} is 85% full.

Description

The {{ $labels.device }} disk partition {{ $labels.mountpoint }} on the {{ $labels.node }} node is {{ $value }}% full for 2 minutes.

SystemDiskFullMajor

Severity

Major

Summary

Disk partition {{ $labels.mountpoint }} is 95% full.

Description

The {{ $labels.device }} disk partition {{ $labels.mountpoint }} on the {{ $labels.node }} node is {{ $value }}% full for 2 minutes.

SystemMemoryFullWarning

Severity

Warning

Summary

{{ $labels.node }} memory warning usage.

Description

The {{ $labels.node }} node uses {{ $value }}% of memory for 10 minutes. More than 90% of memory is used and less than 8 GB of memory is available.

SystemMemoryFullMajor

Severity

Major

Summary

{{ $labels.node }} memory major usage.

Description

The {{ $labels.node }} node uses {{ $value }}% of memory for 10 minutes. More than 95% of memory is used and less than 4 GB of memory is available.

SystemDiskInodesFullWarning

Severity

Warning

Summary

The {{ $labels.mountpoint }} volume uses 85% of inodes.

Description

The {{ $labels.device }} disk on the {{ $labels.node }} node consumes {{ $value }}% of disk inodes in the {{ $labels.mountpoint }} volume for 2 minutes.

SystemDiskInodesFullMajor

Severity

Major

Summary

The {{ $labels.mountpoint }} volume uses 95% of inodes.

Description

The {{ $labels.device }} disk on the {{ $labels.node }} node consumes {{ $value }}% of disk inodes in the {{ $labels.mountpoint }} volume for 2 minutes.