Lightning Talk: How to detect and delete unused metrics? - Aliaksandr Valialkin

Presenters Aliaksandr Valialkin Source PromCon EU 2025 🚀 Taming the Metric Monster: How to Find and Delete Unused Metrics in Prometheus 🤖 Let’s be honest – managing metrics can quickly become a nightmare. You’re collecting data left and right, building complex dashboards, and suddenly, you’re staring at a massive, growing pile of metrics that… well, nobody’s using. 🤯 This is the dreaded “unused metrics” problem, and it’s a surprisingly common one, especially for teams using Prometheus. But don’t worry, it’s a problem with a solution! Today, we’re diving into how to tackle this challenge and reclaim valuable resources. ...

December 19, 2025 · 3 min

Lightning Talk: Improved Prometheus filtering in Grafana - Victor Marin

Presenters Victor Marin Source PromCon EU 2025 Level Up Your Grafana Dashboards: A Deep Dive into New Filtering Features 🚀 Hey everyone! 👋 I’m Victor, a software engineer at Grafana Labs, and I’m thrilled to share some exciting updates we’ve been working on – specifically, a major overhaul of how you filter data within Grafana using Prometheus. We’ve focused on making your dashboards cleaner, more intuitive, and incredibly powerful. Let’s dive in! 💡 ...

December 19, 2025 · 4 min

Lightning Talk: Instant Vectors ≠ Scalars - How it bit me - Julius Rickerti

Presenters Julius Rickerti Source PromCon EU 2025 Decoding the Mystery: Instant Vectors and Victoria Metrics 🕵️‍♀️ Hey tech enthusiasts! 👋 Ever encountered a puzzling anomaly in your monitoring data? Today, we’re diving into a fascinating – and slightly frustrating – experience shared by Julius, a Victoria Metrics user, that highlights a quirky behavior and a crucial lesson about how metrics are processed. Let’s unpack this and see what we can learn. 🚀 ...

December 19, 2025 · 4 min

Lightning Talk: Ul To Debug Target Relabeling Rules - Julius Volz

Presenters Julius Volz Source PromCon EU 2025 🚀 Level Up Your Prometheus Monitoring with Visual Debugging! 🛠️ Monitoring your applications and services is crucial for maintaining stability and performance. But what happens when things go wrong? When a service suddenly stops responding, or a target disappears from your monitoring system? Traditionally, debugging these issues could be a frustrating, time-consuming process. But a recent presentation at a tech conference unveiled a game-changing tool that’s set to revolutionize how we troubleshoot Prometheus. Let’s dive in! ...

December 19, 2025 · 3 min

Counting What You Care About in Your Security Data Pipeline - Attila Szakács

Presenters Attila Szakács Source PromCon EU 2025 Beyond Syslog: Unlock True Observability with Dynamic Logging Metrics 🚀💡 Let’s be honest – logging has come a long way. For decades, Syslog was the king, a reliable workhorse for transporting log data. But as our systems grew more complex, relying solely on Syslog’s basic metrics felt… limiting. It was like trying to understand a city’s traffic flow by only counting the number of cars passing a single point – you missed the bigger picture. 🗺️ ...

December 19, 2025 · 4 min