May 2019
Intermediate to advanced
442 pages
11h 36m
English
Content preview from Hands-On Infrastructure Monitoring with Prometheus
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Tom Wilkie's RED method
The RED method is more focused on a service-level approach and not so much on the underlying system itself. Obviously, being useful to monitor services, this strategy is also valuable to predict the experience of external clients. If a service's error rate increases, it is reasonable to assume those errors will impact, directly or indirectly, on the customer's experience. These are the metrics to be aware of:
- Rate: Translated as requests per second
- Errors: The amount of failing requests per second
- Duration: The time taken by those requests
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