About
This page is about the calculation of OS metrics with promql
This metrics are collected and send to the server on linux by the node_exporter.
Expression
CPU
The average amount of CPU time spent in system mode, per second, over the last minute (in seconds) - Url form -
rate(node_cpu_seconds_total{mode="system"}[1m])
Filesystem space
The filesystem space available to non-root users (in bytes) - Url form
node_filesystem_avail_bytes
Network traffic
- The average network traffic received, per second, over the last minute (in bytes) - Url form
rate(node_network_receive_bytes_total[1m])
Exporter
Linux - Node Exporter
Windows - Wmi Exporter
Prometheus exporter for Windows machines using WMI