About

An exporter is an endpoint that:

• produces a page with metrics
• that the collector can scrap.

By default, the URL is:

http://hostname:exporterport/metrics

Filtering

Exporters may add filter capabilities via the URL.

Example with a name[] URL parameter for querying only specific metric names. Examples:

/metrics?name[]=jvm_threads_current
/metrics?name[]=jvm_threads_current&name[]=jvm_threads_daemon

Example

• node exporter for Linux Metrics
• grok exporter that uses Grok patterns for extracting Prometheus metrics from arbitrary log files.
• Nginx log exporter that uses mtail to scrape the nginx log