cAdvisor review
A focused, open-source choice for container resource metrics and historical usage.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
cAdvisor is an open-source daemon for monitoring running containers. It collects, aggregates, processes, and exports container and machine resource data, including resource-isolation parameters, historical usage, usage histograms, and network statistics. The product supports Docker containers and can run standalone or in a container, while Kubernetes users can deploy it as a DaemonSet. Its web interface and versioned REST API make the collected metrics available through both browser-based and programmatic workflows. cAdvisor is aimed at teams that want foundational container resource visibility without a vendor-hosted commercial plan.
Its strongest fit is a metrics-focused monitoring stack. cAdvisor exports container and machine network statistics, supports storage plugins, and integrates with BigQuery, Elasticsearch, InfluxDB, Kafka, Prometheus, Redis, and StatsD. The Linux, web UI, REST API, and self-hosted platform coverage also suit infrastructure teams that manage their own monitoring environment. Historical statistics and usage histograms add context beyond a single current reading, helping teams examine resource patterns over time. These capabilities make cAdvisor a practical collection layer when the surrounding observability system handles dashboards, retention, and alerting.
The product’s focus is deliberately narrow. It provides resource and network metrics for running containers, but it does not provide verified resource alerts, image monitoring, or log collection. Teams seeking a broader container operations product will need additional tools for those areas. cAdvisor is therefore a strong choice for open-source, self-hosted metric collection, especially in Docker or Kubernetes environments. It is less suitable as a complete container observability solution when image lifecycle visibility, log analysis, or built-in alerting are core requirements.
cAdvisor pros and cons
- Where it wins
- Collects current and historical container resource-usage data
- Provides a web UI, versioned REST API, and usage histograms
- Supports Docker, Kubernetes DaemonSets, and Prometheus integration
- Where it doesn't
- Does not provide verified resource alerts
- Does not monitor container images
- Does not collect container logs
cAdvisor fact sheet, pricing and score →
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update