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Cloudflare rebuilds cdnjs on its Developer Platform, using R2 for package storage

InfoQ 4 min read ↗ Original

Cloudflare moved cdnjs to its Developer Platform, using R2 as the source of truth for published files and Workflows for package ingestion.

WHY IT MATTERS

This migration shows Cloudflare's Developer Platform can handle a large-scale public service, but it also required raising platform limits and using Containers for compression. Engineers relying on cdnjs get the same URLs and SRI hashes, while Cloudflare demonstrates dogfooding at 9 billion requests per day.

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The three things worth knowing

01

cdnjs now serves about 9 billion requests per day with a 98.6% cache hit rate across more than 330 data centers.

02

R2 becomes the source of truth for published files, with KV storing metadata and Workers handling delivery.

03

Cloudflare raised Worker subrequests from 1,000 to 10 million and Workflow steps from 1,024 to 10,000 to support the migration.

THE CLUSTER

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InfoQ Cloudflare Migrates JavaScript CDN Serving 9B Requests a Day to Its Developer Platform Open ↗