May 2019
Intermediate to advanced
442 pages
11h 36m
English
Content preview from Hands-On Infrastructure Monitoring with Prometheus
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Defining Alerting and Recording Rules
Recording rules are a useful concept of Prometheus. They allow you to speed up heavy queries and enable subqueries in PromQL that otherwise would be very expensive. Alerting rules are similar to recording rules, but with alert-specific semantics. As testing is a fundamental part of any system, you'll have the opportunity in this chapter to learn how to ensure that recording and alerting rules behave as expected before being deployed. Understanding these constructs will help make Prometheus faster and more robust, as well as enabling its alerting capabilities.
The following topics will be covered in this chapter:
- Creating the test environment
- How does rule evaluation work?
- Setting up alerting in Prometheus ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.