How Pingora keeps count
May 12, 2023 1:00 PM
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 ...
How Cloudflare runs Prometheus at scale
March 03, 2023 2:00 PM
Here at Cloudflare we run over 900 instances of Prometheus with a total of around 4.9 billion time series. Operating such a large Prometheus deployment doesn’t come without challenges . In this blog post we’ll cover some of the issues we hit and how we solved them...
Introducing workerd: the Open Source Workers runtime
September 27, 2022 1:01 PM
workerd is the JavaScript/Wasm runtime code that powers Cloudflare Workers, now open source under the Apache 2.0 license...
Open sourcing our fork of PgBouncer
August 26, 2022 2:30 PM
We are releasing our internal fork of PgBouncer, filled with authentication bug fixes and new features around per user and connection pool isolation...
Building and using Managed Components with WebCM
August 03, 2022 1:00 PM
This is how Managed Components can be useful for you right now, if you manage a website or if you’re building third-party tools...
MORE POSTS
September 10, 2020 11:00 AM
Migrating cdnjs to serverless with Workers KV
Cloudflare powers cdnjs, an open-source project that delivers popular JavaScript libraries to over 11% of websites. Today, we are excited to announce its migration to a serverless infrastructure using Cloudflare Workers and its distributed key-value store Workers KV!...
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December 19, 2019 7:30 PM
An Update on CDNJS
CDNJS powers over 10% of the web. A month ago it needed our help, now it needs yours....
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February 04, 2019 8:41 AM
Helping To Build Cloudflare, Part 4: Public Engagement
We don’t believe that any of our software, not a single line of code, provides us with a long-term advantage. We could, today, open source every single line of code at Cloudflare and we don’t believe we’d be hurt by it....
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October 31, 2018 12:48 PM
Improving RubyDocs with Cloudflare Workers and Workers KV
RubyDocs is an open-source service that generates and hosts “fancy docs for any Ruby project”, most notably for the Ruby language itself and for Rails, the most popular Ruby framework. ...
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February 14, 2018 7:11 PM
Cloudflare ♥ Open Source: upgrade to Pro Plan on the house
Making core contributions to a qualifying open source project? We want to thank you for your work for the community with a free Pro Plan upgrade....
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December 30, 2016 2:34 PM
2017 and the Internet: our predictions
Looking back over 2016, we saw the good and bad that comes with widespread use and abuse of the Internet. ...
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November 12, 2016 1:00 PM
Generating Documentation for TypeScript Projects
Traditionally, JavaScript docs use code comments. This post explores generating documentation directly from TypeScript source code, a more efficient alternative....
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October 09, 2015 10:26 AM
Single RX queue kernel bypass in Netmap for high packet rate networking
In a previous post we discussed the performance limitations of the Linux kernel network stack. We detailed the available kernel bypass techniques allowing user space programs to receive packets with high throughput. ...
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October 08, 2015 10:10 AM
Doubling the speed of jpegtran with SIMD
It is no secret that at CloudFlare we put a great effort into accelerating our customers' websites. One way to do it is to reduce the size of the images on the website. This is what our Polish product is for. ...
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July 08, 2015 1:28 PM
Fighting Cancer: The Unexpected Benefit Of Open Sourcing Our Code
Recently I was contacted by Dr. Igor Kozin from The Institute of Cancer Research in London. He asked about the optimal way to compile CloudFlare's open source fork of zlib....
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December 22, 2013 5:00 PM
Keeping our open source promise
Back in October I wrote a blog post about CloudFlare and open source software titled CloudFlare And Open Source Software: A Two-Way Street which detailed the many ways in which we use and support open source software....
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November 21, 2013 9:00 AM
Red October: CloudFlare’s Open Source Implementation of the Two-Man Rule
At CloudFlare, we are always looking for better ways to secure the data we’re entrusted with. This means hardening our system against outside threats such as hackers, but it also means protecting against insider threats. ...
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October 07, 2013 6:00 PM
CloudFlare And Open Source Software: A Two-Way Street
CloudFlare uses a great deal of open source and free software. Our core server platform is nginx (which is released using a two-clause BSD license) and our primary database of choice is postgresql (which is released using their own BSD-like license). ...
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