May 2019
Intermediate to advanced
442 pages
11h 36m
English
Content preview from Hands-On Infrastructure Monitoring with Prometheus
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Chapter 6, Exporters and Integrations
- The textfile collector enables the exposition of custom metrics by watching a directory for files with the .prom extension that contain metrics in the Prometheus exposition format.
- Data is collected from the container runtime daemon and from Linux cgroups.
- You can restrict the number of collectors (--collectors) to enable, or use the metric whitelist (--metric-whitelist) or blacklist (--metric-blacklist) flags.
- When debugging probes, you can append &debug=true to the HTTP GET URL to enable debug information.
- We can use mtail or grok_exporter to extract metrics from the application logs.
- One possible problem is the lack of high availability, making it a single point of failure. This also impacts scalability, ...
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