May 2019
Intermediate to advanced
442 pages
11h 36m
English
Content preview from Hands-On Infrastructure Monitoring with Prometheus
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The Node Exporter
The Node Exporter is the most well-known Prometheus exporter, for good reason. It provides over 40 collectors for different areas of the OS, as well as a way of exposing local metrics for cron jobs and static information about the host. Like the rest of the Prometheus ecosystem, the Node Exporter comes with a sane default configuration and some smarts to identify what can be collected, so it's perfectly reasonable to run it without much tweaking.
In this context, node refers to a computer node or host and is not related to Node.js in any way.
Although this exporter was designed to be run as a non-privileged user, it does need to access kernel and process statistics, which aren't normally available when running inside a container. ...
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