Capacity watch
Prometheus node_exporter
- License
- Apache-2.0
- Latest version
- v1.12.1, July 14, 2026
What it does
A small agent that reports a server's disk space, disk health counters, memory and load so a monitoring system can chart and alert on them.
Why we point IT leaders here
The simplest way to see a storage volume filling up weeks before it becomes an outage.
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Facts checked November 7, 2026