Perfect locality and three epic SystemTap scripts
November 07, 2017 10:15 AM
In a recent blog post we discussed epoll behavior causing uneven load among NGINX worker processes. We suggested a work around - the REUSEPORT socket option....
Why does one NGINX worker take all the load?
October 23, 2017 12:57 PM
Scaling up TCP servers is usually straightforward. Most deployments start by using a single process setup. When the need arises more worker processes are added. ...
HPACK: the silent killer (feature) of HTTP/2
November 28, 2016 2:10 PM
If you have experienced HTTP/2 for yourself, you are probably aware of the visible performance gains possible with HTTP/2 due to features like stream multiplexing, explicit stream dependencies, and Server Push. ...
Open sourcing our NGINX HTTP/2 + SPDY code
May 13, 2016 9:55 AM
In December, we released HTTP/2 support for all customers and on April 28 we released HTTP/2 Server Push support as well....
First Bay Area OpenResty Meetup
May 09, 2016 8:17 AM
On March 9, 章亦春, known to most of us as agentzh, organized the first Bay Area OpenResty Meetup at CloudFlare's San Francisco office....
MORE POSTS
November 19, 2015 3:05 PM
The story of one latency spike
A customer reported an unusual problem with our CloudFlare CDN: our servers were responding to some HTTP requests slowly. Extremely slowly. 30 seconds slowly....
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October 30, 2014 12:08 PM
Take a break and watch two recent engineering talks
Recently, I spoke at the dotGo 2014 conference in Paris and my colleague (and creator of OpenResty) Yichun Zhang spoke at the first NGINX conference in San Francisco....
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October 01, 2014 10:57 PM
Universal SSL: How It Scales
On Monday, we announced Universal SSL, enabling HTTPS for all websites using CloudFlare’s Free plan. Universal SSL represents a massive increase in the number of sites we serve over HTTPS—from tens of thousands, to millions....
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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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August 23, 2013 5:31 AM
CloudFlare's new WAF: compiling to Lua
We use nginx throughout our network for front-line web serving, proxying and traffic filtering. In some cases, we've augmented the core C code of nginx with our own modules, but recently we've made a major move to using Lua in conjunction with nginx. One project that's now almo...
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December 08, 2012 8:46 PM
Pushing Nginx to its limit with Lua
At CloudFlare, Nginx is at the core of what we do. It is part of the underlying foundation of our reverse proxy service. In addition to the built-in Nginx functionalities, we use an array of custom C modules......
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August 15, 2011 8:51 PM
The CLAMP Stack
Much of the modern Internet is built on what is known as the LAMP Stack. LAMP originally stood for Linux + Apache + MySQL + PHP. You'll find this basic stack at the core of companies like Google, Facebook, Yahoo, and more. ...
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