August 2019
Intermediate to advanced
256 pages
6h 43m
English
book
Hands-On Enterprise Java Microservices with Eclipse MicroProfile
by Cesar Saavedra, Heiko W. Rupp, Jeff Mesnil, Pavol Loffay, Antoine Sabot-Durand, Scott Stark
Content preview from Hands-On Enterprise Java Microservices with Eclipse MicroProfile
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Using Prometheus to retrieve metrics
Now that we have seen what metrics are exposed and how we can define our own, let's have a look at how we can collect them in a time series database (TSDB). For this purpose, we use Prometheus, a CNCF (https://www.cncf.io/) project that has gained widespread adoption in the cloud-native world.
You can download Prometheus from https://prometheus.io or on macOS via brew install prometheus.
Once Prometheus is downloaded, we need a configuration file that defines which targets to scrape and can then start the server. For our purposes, we will use the following simple file:
.Prometheus configuration for a Thorntail Server, prom.ymlscrape_configs:# Configuration to poll from Thorntail- job_name: 'thorntail' ...
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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.