Node

Setup

The Node Exporter needs to be installed for monitoring nodes.

Metrics and Key Performance Indicators (KPI)s

Metric	KPI
CPU node_cpu_seconds_total	1 - avg by(instance, job)(rate(node_cpu_seconds_total{mode="idle"}[5m]))
Memory node_memory_MemTotal_bytes node_memory_Buffers_bytes node_memory_Cached_bytes node_memory_MemFree_bytes node_memory_Slab_bytes node_vmstat_pgmajfault	Memory Utilization 1 - (buffer + cached + free + slab)/total Page Fault Rate rate(node_vmstat_pgmajfault[1m])
Network Bytes node_network_receive_bytes_total node_network_transmit_bytes_total	Network Byte Rate rate(node_network_receive_bytes_total[5m]) rate(node_network_transmit_bytes_total[5m])
Disk node_filesystem_avail_bytes node_filesystem_size_bytes Read/Write byte rate node_disk_read_bytes_total node_disk_written_bytes_total Read Time and Count node_disk_read_time_seconds_total node_disk_reads_completed_total Write Time and Count node_disk_write_time_seconds_total node_disk_writes_completed_total	Disk Utilization 1 - available bytes / size bytes Disk IO Rate rate(node_disk_read_bytes_total[5m]) rate(node_disk_written_bytes_total[5m]) Disk Average Latency rate(...time_seconds_total[5m]) / rate(..._completed_total[5m])

Alerts

KPI	Alert
Memory Utilization High Memory Page Faults	Saturation with resource_type=memory:utilization Saturation with resource_type=memory:page_fault
CPU Utilization	Saturation
Network Bytes Rate	ResourceRateAnomaly
Disk Utilization	Saturation
Disk Read/Write Rate	ResourceRateAnomaly
Disk Read/Write Latency Average	Saturation when latency average breaches 100ms

Dashboard

The following KPIs are shown in the Node Dashboard