danielfm / prometheus-for-developers Goto Github PK
View Code? Open in Web Editor NEWPractical introduction to Prometheus for developers.
Home Page: https://danielfm.github.io/prometheus-for-developers/
License: BSD 2-Clause "Simplified" License
Practical introduction to Prometheus for developers.
Home Page: https://danielfm.github.io/prometheus-for-developers/
License: BSD 2-Clause "Simplified" License
I'm constantly asked about, given some use case, what metric types should be used, and how to extract useful information from those metrics.
One recent example of such question was how to measure cache efficiency.
One answer is that this can be implemented with two Counters
: one for counting the cache hits, and other for counting the cache misses.
Some possible queries we might try on these metrics:
Cache hits per second:
sum(rate(<hit count>[5m]))
Cache misses per second:
sum(rate(<miss count>[5m]))
Cache hit rate (hits / total):
sum(rate(<hit count>[5m])) / (sum(rate(<hit count>[5m])) + sum(rate(<miss count>[5m])))
Calculate montly uptime (i.e. for a Jenkins master instance):
sum_over_time(jenkins_health_check_score[30d:1m]) / 43200
I imagine there are other common use cases and queries not currently covered in this document that we should add.
(If anyone has more examples of such use cases, please let me know)
A declarative, efficient, and flexible JavaScript library for building user interfaces.
๐ Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. ๐๐๐
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google โค๏ธ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.