July 27, 2021 12:59 PM
Using Arm, Cloudflare can now securely process over ten times as many Internet requests for every watt of power consumed, than we did for servers designed in 2013. ...
March 11, 2021 12:00 PM
A comparison between the Ampere Altra and the AWS Graviton2, the two ARM Neoverse N1-based processors....
December 04, 2020 2:05 PM
This blog is a quick Electrical Engineering 101 session going over specifically how 3-phase PDUs work, along with some good practices on how we use them...
November 27, 2020 1:00 PM
At Cloudflare, we pride ourselves in our global network that spans more than 200 cities in over 100 countries. To accelerate all that traffic through our network, there are multiple technologies at play. So let’s have a look at one of the cornerstones that makes all of this work....
November 20, 2020 12:00 PM
A refresh of the hardware that Cloudflare uses to run analytics provided big efficiency improvements....
March 02, 2020 1:00 PM
Last month finally I had an opportunity to use Bloom filters. I became fascinated with the promise of this data structure, but I quickly realized it had some drawbacks. This blog post is the tale of my brief love affair with Bloom filters....
March 01, 2020 1:00 PM
Looking back at this week's posts on the design, specifications, and performance of Cloudflare’s Gen X servers using AMD CPUs. Every server can run every service. This architectural decision has helped us achieve higher efficiency across the Cloudflare network. ...
February 28, 2020 2:00 PM
At Cloudflare, we encrypt data both in transit (on the network) and at rest (on the disk). Both practices address some of the most common vectors used to exfiltrate information and these measures serve to protect sensitive data from attackers but, what about data currently in use...
February 27, 2020 2:00 PM
We have partnered with AMD to get the best performance out of this processor and today, we are highlighting our tuning efforts that led to an additional 6% performance. Thermal design power (TDP) and dynamic power, amongst others, play a critical role when tuning a system. ...
February 26, 2020 12:00 PM
Our Gen X servers process more requests per second per core than our previous fleet. The AMD 2nd Gen EPYC 7642 processor’s large L3 cache minimizes L3 cache misses, and the time-savings add up quickly....
February 25, 2020 2:00 PM
As we started looking at production ready systems to power our Gen X solution, we took a long look at what is available to us in the market today and we’ve made our decision. We’re moving on from Gen 9's 48-core setup of dual socket Intel Xeon Platinum 6162's to a 48-core single ...
February 24, 2020 1:00 PM
We designed and built Cloudflare’s network to be able to grow capacity quickly and inexpensively; to allow every server, in every city, to run every service; and to allow us to shift customers and traffic across our network efficiently....
October 10, 2018 3:17 PM
This is about our latest generation G9 server. From a G4 server comprising of 12 Intel Sandybridge CPU cores, our G9 server has 192 Intel Skylake CPU cores ready to handle today’s load across Cloudflare’s network....
