General node alerts

This section lists the general alerts for Kubernetes nodes.

• FileDescriptorUsageMajor

• FileDescriptorUsageWarning

• NodeExporterTargetDown

• NodeExporterTargetsOutage

• SystemCpuFullWarning

• SystemLoadTooHighWarning

• SystemLoadTooHighCritical

• SystemDiskFullWarning

• SystemDiskFullMajor

• SystemMemoryFullWarning

• SystemMemoryFullMajor

• SystemDiskInodesFullWarning

• SystemDiskInodesFullMajor

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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.