Rust - The Cloudflare Blog

How Pingora keeps count

May 12, 2023 2:00PM

In this blog post, we explain and open source the counting algorithm that powers Pingora. This will be the first of a series of blog posts that share both the Pingora libraries and the ideas behind them...

Yuchen Wu

Oxy: Fish/Bumblebee/Splicer subsystems to improve reliability

April 20, 2023 2:00PM

Proxying Rust Edge Reliability Oxy

We split a proxy application into multiple services to improve development agility and reliability. This blog also shares some common patterns we are leveraging to design a system supporting zero-downtime restart...

Oxy: the journey of graceful restarts

April 04, 2023 2:00PM

Oxy Proxying Rust Edge

Deploying new versions of long-lived server software while maintaining a reliable experience is challenging. For oxy, we established several development and operational patterns to increase reliability and reduce friction in deployments...

Chris Branch

From IP packets to HTTP: the many faces of our Oxy framework

March 30, 2023 2:00PM

Proxying Rust Network Layer Oxy

We have recently introduced Oxy, our Rust-based framework for proxies powering many Cloudflare services and products. Today, we will explain why and how it spans various layers of the OSI model, by handling directly raw IP packets, TCP connections and UDP payloads...

Nuno Diegues

Oxy is Cloudflare's Rust-based next generation proxy framework

March 02, 2023 3:05PM

Proxying Rust Performance Edge iCloud Private Relay

In this blog post, we are proud to introduce Oxy - our modern proxy framework, developed using the Rust programming language...

Ivan Nikulin

September 14, 2022 2:00PM

How we built Pingora, the proxy that connects Cloudflare to the Internet

Today we are excited to talk about Pingora, a new HTTP proxy we’ve built in-house using Rust that serves over 1 trillion requests a day...

By

Yuchen Wu
, Andrew Hauck

Rust , NGINX , Performance

September 15, 2021 1:59PM

Building Cloudflare Images in Rust and Cloudflare Workers

Using Rust and Cloudflare Workers helps us quickly iterate and deliver product improvements over the coming weeks and months....

By

Yevgen Safronov

Speed Week , Cloudflare Images , Developers , Rust , Cloudflare Workers

September 09, 2021 2:00PM

Native Rust support on Cloudflare Workers

Introducing the Cloudflare Workers Rust SDK: write your entire Worker in Rust, no JavaScript required....

By

Steve Manuel

Cloudflare Workers , Serverless , WebAssembly , Rust , WASM

August 26, 2021 4:04PM

Pin, Unpin, and why Rust needs them

Using async Rust libraries is usually easy. It's just like using normal Rust code, with a little async or .await here and there. But writing your own async libraries can be hard....

By

Adam Chalmers

Rust , Developers , JavaScript , Deep Dive

December 25, 2020 2:00PM

Using One Cron Parser Everywhere With Rust and Saffron

Cron parsers are everywhere, each supporting their own extensions on the cron string format, which made consistency between parts of Cron Triggers difficult to achieve. Today we’re showing how we easily solved this problem with Rust without needing to write the same code twice....

By

Aaron Loyd

Cloudflare Workers , Serverless , Rust

September 24, 2020 12:00PM

Building even faster interpreters in Rust

Firewall Rules lets customers filter the traffic hitting their site, powered by our Wirefilter engine. We’re excited to share some in-depth optimizations we have recently made to improve the performance of our edge....

By

Zak Cutner

Firewall , Performance , Rust , SIMD , WAF

November 29, 2019 8:00AM

A History of HTML Parsing at Cloudflare: Part 2

The second blog post in the series on HTML rewriters picks up the story in 2017 after the launch of the Cloudflare edge compute platform Cloudflare Workers. It became clear that the developers using workers wanted the same HTML rewriting capabilities that we used internally,...

By

Andrew Galloni
, Ivan Nikulin

Rust , Cloudflare Workers , Serverless , Workers Sites , JavaScript

November 28, 2019 8:44AM

A History of HTML Parsing at Cloudflare: Part 1

To coincide with the launch of streaming HTML rewriting functionality for Cloudflare Workers we are open sourcing the Rust HTML rewriter (LOL HTML) used to back the Workers HTMLRewriter API. We also thought it was about time to review the history of HTML rewriting at Cloudflare....

By

Andrew Galloni
, Ingvar Stepanyan

Rust , Product News , Serverless , Cloudflare Workers , Workers Sites

March 28, 2019 4:08PM

? The Wrangler CLI: Deploying Rust with WASM on Cloudflare Workers

Today, we're open sourcing and announcing wrangler, a CLI tool for building, previewing, and publishing Rust and WebAssembly Cloudflare Workers. If that sounds like some word salad to you, that's a reasonable reaction....

By

Ashley Williams

Cloudflare Workers , Serverless , JavaScript , WebAssembly , Rust