Prometheus Metrics Explained: Counters, Gauges, Histograms & Summaries This discussion is the first part of the basic monitoring series, an effort to eliminate confusion in monitoring for both beginners and experienced users.

Prometheus Monitoring: Instant Queries and Range Queries Explained Over the years, we’ve received many questions about MetricsQL/PromQL, even from experienced users—especially regarding range queries and instant queries. This article is basic but turns out to be really important to explain why your query behaves the way it does. This discussion is part of the basic monitoring series, an effort to eliminate confusion in monitoring for both beginners and experienced users.

In case you haven’t heard about it yet, FOSDEM (Free and Open Source Software Developers’ European Meeting) is a huge, free, gathering for open-source software enthusiasts that happens every February in Brussels, Belgium. It’s a non-profit event put together by the community, and it’s one of the biggest of its kind - we’re talking about around 10,000 people from all over the world coming to hang out and talk about all things open source.

What happens if we put OpenTelemetry, Prometheus 2.x, Prometheus 3.x, and vmagent together for comparison in scraping and pushing data to remote storage?