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Monitoring

OpenTelemetry, Prometheus, and More: Which Is Better for Metrics Collection and Propagation?

by Zhu Jiekun on Feb 5, 2025

OpenTelemetry, Prometheus 2.x, Prometheus 3.x, and vmagent are put together for comparison in scraping and pushing data to remote storage.

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How vmstorage Handles Query Requests From vmselect

by Phuong Le on Feb 3, 2025

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.

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How vmstorage's IndexDB Works

by Phuong Le on Feb 2, 2025

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.

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VictoriaMetrics Tech Talk Stream: A Deep Dive into Blackbox Monitoring

by Marc Sherwood / Mathias Palmersheim on Jan 29, 2025

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.

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VictoriaMetrics Cloud: What's New in Q4 2024?

by Jose Gomez-Selles on Jan 2, 2025

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.

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How vmstorage Processes Data: Retention, Merging, Deduplication,...

by Phuong Le on Dec 31, 2024

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.

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How vmstorage Handles Data Ingestion From vminsert

by Phuong Le on Dec 30, 2024

This article explains how vmstorage processes incoming metrics, assigns unique IDs to timeseries, and organizes everything into different types of storage parts. The whole system is pretty clever - it uses in-memory buffers for speed, smart compression to save space, and has various watchdogs keeping an eye on things like disk space and data retention.

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When Metrics Meet vminsert: A Data-Delivery Story

by Phuong Le on Dec 27, 2024

vminsert acts as a gateway for incoming monitoring data. It receives data in different formats, processes it by parsing and adjusting labels, then uses memory buffers to send this data to storage nodes. It’s smart enough to always send the same type of data to the same storage node and can redirect data if a node isn’t working properly.

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VictoriaMetrics helps IHI Terrasun Win Big in Vegas on $1.2B Clean Energy Project

by Jean-Jerome Schmidt-Soisson on Dec 18, 2024

We’re happy to announce that VictoriaMetrics and IHI Terrasun Solutions, a leading energy storage system integrator, have partnered on one of North America’s largest clean energy projects!

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How vmagent Collects and Ships Metrics Fast with Aggregation, Deduplication, and More

by Phuong Le on Nov 15, 2024

VictoriaMetrics agent, or vmagent, is a lightweight tool designed to gather metrics from a number of different sources. Once it pulls in all those metrics, vmagent lets you ‘design’ them (through ‘relabeling’) or filter them down (doing things like reducing cardinality, stream aggregation, deduplication, and so on) before shipping them off to wherever you want to store them.

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