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 (more than 1/10 failed scrapes).

NodeExporterTargetsOutage

Severity

Critical

Summary

Node Exporter Prometheus targets outage.

Description

Prometheus fails to scrape metrics from all Node Exporter endpoints (more than 1/10 failed scrapes).

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.