VictoriaMetrics Observability Blog

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VictoriaMetrics July 2026 Ecosystem Updates

VictoriaMetrics July updates bring a new LTS release, vmestimator, and a set of improvements across the stack that make operations simpler and observability more practical.

Announcing vmestimator: Real-time Cardinality Estimations for VictoriaMetrics and Prometheus

vmestimator is a new open-source tool that estimates metric cardinality in real time. It can alert to high-cardinality spikes before they slow queries and increase resource usage. Works with any Prometheus-compatible setups, Grafana, and vmalert

How Airbnb Built a High-Volume Metrics Pipeline with OpenTelemetry and vmagent

Learn how Airbnb rebuilt its observability pipeline with OpenTelemetry and vmagent to handle over 100 million samples per second, reduce cost by 10x, and simplify high-scale metrics aggregation.

Multi-tiered Observability: A Practical Way to Handle Diverse Workloads

Discover multi-tier observability architecture with VictoriaMetrics OSS. Learn how to isolate default, high-cardinality, and business-critical workloads into separate tiers with optimized retention periods, ingestion resolution, cardinality limits, alerting policies, and cost controls.

vmagent: Key Features Explained in Under 15 Minutes

vmagent is a lightweight agent for collecting and forwarding metrics to remote storage. It supports relabeling, sharding, replication, aggregation, deduplication, and disk buffering to ensure reliable and efficient metric delivery.

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

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.

Comparing Performance and Resource Usage: Grafana Agent vs. Prometheus Agent Mode vs. VictoriaMetrics vmagent

We compared the performance and resource usage of Grafana Agent, Prometheus Agent Mode, and VictoriaMetrics vmagent to help readers make informed decisions when choosing an agent for their monitoring needs.

vmagent High-Availability Examples

Three examples of vmagent high-availability setup for pull and push models