Prometheus Monitoring: Instant Queries and Range Queries Explained
When evaluating, instant vectors provide current snapshots, while range vectors give you multiple values over a period of time. But how do they work?
VictoriaMetrics Observability Blog
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Prometheus Metrics Explained: Counters, Gauges, Histograms & Summaries
Metrics come in different types: counters that only increase, gauges that fluctuate, histograms that show value distributions, and summaries that pre-calculate statistics.
300%+ Growth in 2024: Join Our Team in 2025!
When we ended 2024 with continued growth (300+%) both in terms of open source adoption and enterprise business we thought: We’re going to need some more help in 2025!
FOSDEM 2025 recap
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. See more in our recap!
OpenTelemetry, Prometheus, and More: Which Is Better for Metrics Collection and Propagation?
OpenTelemetry, Prometheus 2.x, Prometheus 3.x, and vmagent are put together for comparison in scraping and pushing data to remote storage.
How vmstorage Handles Query Requests From vmselect
When vmselect asks vmstorage for data, there’s actually quite a bit happening behind the scenes. This article breaks down the process of how vmstorage locates and retrieves your metrics, from finding the right TSIDs to sending back the actual data points.
How vmstorage's IndexDB Works
IndexDB acts as vmstorage’s memory - it remembers which numbers (TSIDs) belong to which metrics, making sure your queries get answered fast. This article walks through how this system works, from the way it organizes data to how it keeps track of millions of timeseries.
VictoriaMetrics Tech Talk Stream: A Deep Dive into Blackbox Monitoring
Join us for the first stream of our brand new monthly tech talk series, where we’ll dive deep into the world of monitoring and observability.Dive into the world of monitoring and observability in our first monthly tech talk stream.
VictoriaMetrics Cloud: What's New in Q4 2024?
As we start the year we discuss the latest-and-greatest enhancements of VictoriaMetrics Cloud. These updates include two new integrations, improved billing features, enriched documentation, a more user-friendly interface, and enhanced usability—each designed to make your monitoring experience even smoother and more productive.
How vmstorage Processes Data: Retention, Merging, Deduplication,...
vmstorage takes data from vminsert through a concurrency limiter, creates TSIDs for each row, and puts them in memory buffers. Every few seconds, it moves data to storage parts on disk. The system merges parts, removes duplicates, and cleans old data. This turns raw metrics into data users can search.