Have you ever selected the top 10 time series for something, but instead of 10 you got 100? If yes, this one is for you. Let me walk you through what the underlying problem is and how I fixed it. Currently, the topk() query only makes sense as an instant…
We have always made hard promises around stability and breaking changes following the SemVer model. That will remain to be the case. As we want to be bolder in experimentation, we are planning to use feature flags more. Starting with v2.25.0, we have introduced a new section called disabled features…
The OpenTelemetry project is an Observability framework and toolkit designed to create and manage telemetry data such as traces, metrics, and logs. It is gaining widespread adoption due to its consistent specification between signals and promise to reduce vendor lock-in which is something that we’re excited about. Looking back at…
PromCon Europe is the eighth conference fully dedicated to the Prometheus monitoring system Berlin, Germany – September 1, 2023 – The CNCF and the Prometheus team, released the two-day schedule for the single-track PromCon Europe 2023 conference happening in Berlin, Germany from September 28 to September 29, 2023. Attendees will…
Prometheus 2.43 has just been released, and it brings some exciting features and enhancements. One of the significant improvements is the stringlabels release, which uses a new data structure for labels. This blog post will answer some frequently asked questions about the 2.43 release and the stringlabels optimizations. What is…
Bartek Płotka has been a Prometheus Maintainer since 2019 and Principal Software Engineer at Red Hat. Co-author of the CNCF Thanos project. CNCF Ambassador and tech lead for the CNCF TAG Observability. In his free time, he writes a book titled "Efficient Go" with O'Reilly. Opinions are my own! What…
Today, we're launching the Prometheus Conformance Program with the goal of ensuring interoperability between different projects and vendors in the Prometheus monitoring space. While the legal paperwork still needs to be finalized, we ran tests, and we consider the below our first round of results. As part of this launch…
As per Oscar Wilde, imitation is the sincerest form of flattery. The names "Prometheus" and "Thanos" have recently been taken up by a ransomware group. There's not much we can do about that except to inform you that this is happening. There's not much you can do either, except be…
As announced by CNCF and by ourselves, we're starting a Prometheus conformance program. To give everyone an overview of where the ecosystem is before running tests officially, we wanted to show off the newest addition to our happy little bunch of test suites: The Prometheus Remote Write compliance test suite…
Persistent storage in containerization can be a complex topic to cover. In this first post in a series of blog posts, we’ll be looking at persistent storage concepts in Docker, specifically the difference between bind mounts and named volumes.