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Cloudflare

R2 bandwidth metrics now exposed in dashboard and GraphQL API

Ninja·September 25, 2026·1 min read·via Cloudflare Developer Platform
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Cloudflare added a product‑level R2 bandwidth metrics page that reports upload and download throughput per bucket and across all buckets. The visibility and GraphQL API access give engineers a direct way to monitor usage, control costs, and integrate data‑movement insights into existing observability pipelines.

Cloudflare has introduced a dedicated R2 bandwidth metrics page in the dashboard, showing upload and download throughput both across all buckets and for each individual bucket. The same data is also available through the GraphQL Analytics API, giving engineers a programmatic path to incorporate usage signals into monitoring, cost‑control, and capacity‑planning workflows.

Dashboard visibility

The new UI surface presents a time‑series view of total bytes uploaded and downloaded, with the ability to toggle between an aggregate view and a per‑bucket view. This granularity lets teams quickly spot spikes or under‑utilised storage without leaving the Cloudflare console.

API access for automation

Because the GraphQL Analytics API mirrors the dashboard metrics, scripts or observability platforms can query the same fields on demand. Practitioners can embed these queries in CI pipelines, custom dashboards, or alerting rules to keep bandwidth usage in sync with operational thresholds.

Operational considerations

  • Cost awareness: Bandwidth is a billable dimension for R2; real‑time visibility helps avoid unexpected charges.
  • Capacity planning: Tracking upload/download trends informs decisions about bucket sizing, replication, or data lifecycle policies.
  • Anomaly detection: Sudden changes in download volume may indicate misuse or data exfiltration, prompting further investigation.

Related CloudNinjas coverage: hands-on guides.

What This Means For Practitioners

Integrate the GraphQL bandwidth queries into your existing monitoring stack, set alerts on abnormal upload or download rates, and use the per‑bucket breakdown to refine cost allocation and security reviews. Regularly review the dashboard to validate that automated metrics align with observed behavior, and adjust thresholds as your R2 usage patterns evolve.

Tags: #r2#metrics#bandwidth#observability
Originally published atCloudflare Developer Platform
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