Cloudflare just got faster and more secure, powered by Rust
2025-09-26
We’ve replaced the original core system in Cloudflare with a new modular Rust-based proxy, replacing NGINX. ...
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Eliminating Cold Starts 2: shard and conquer
2025-09-26
We reduced Cloudflare Workers cold starts by 10x by optimistically routing to servers with already-loaded Workers. Learn how we did it here....
Safe in the sandbox: security hardening for Cloudflare Workers
2025-09-25
We are further hardening Cloudflare Workers with the latest software and hardware features. We use defense-in-depth, including V8 sandboxes and the CPU's memory protection keys to keep your data safe....
Building Jetflow: a framework for flexible, performant data pipelines at Cloudflare
2025-07-23
Faced with a data-ingestion challenge at a massive scale, Cloudflare's Business Intelligence team built a new framework called Jetflow....
Building Vectorize, a distributed vector database, on Cloudflare’s Developer Platform
2024-10-22
Cloudflare's Vectorize is now generally available, offering faster responses, lower pricing, a free tier, and supporting up to 5 million vectors....
MORE POSTS
October 09, 2024 1:00 PM
Improving platform resilience at Cloudflare through automation
We realized that we need a way to automatically heal our platform from an operations perspective, and designed and built a workflow orchestration platform to provide these self-healing capabilities ...
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June 03, 2024 1:00 PM
Adopting OpenTelemetry for our logging pipeline
Recently, Cloudflare's Observability team undertook an effort to migrate our existing syslog-ng backed logging infrastructure to instead being backed by OpenTelemetry Collectors. In this post, we detail the process that we undertook, and the difficulties we faced along the way...
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