March 20, 2021 12:00PM
Random Employee Chats at Cloudflare
Cloudflare Workers
Cloudflare Workers KV
Wrangler
We developed the Random Employee Chats application internally, with the goal of recreating the pre-pandemic informal interactions. Here's how we moved from a shared spreadsheet to Cloudflare Workers to automate the entire process....
September 09, 2020 12:00PM
Unimog - Cloudflare’s edge load balancer
Deep Dive
Load Balancing
Edge
Speed & Reliability
Product News
Unimog is the Layer 4 Load Balancer for Cloudflare’s edge data centers. This post explains the problems it solves and how it works....
June 18, 2020 12:56PM
Why is there a "V" in SIGSEGV Segmentation Fault?
Deep Dive
Developers
My program received a SIGSEGV signal and crashed with "Segmentation Fault" message. Where does the "V" come from?
Did I read it wrong? Was there a "Segmentation *V*ault?"? Or did Linux authors make a mistake? Shouldn't the signal be named SIGSEGF?...
January 18, 2018 12:06PM
However improbable: The story of a processor bug
Reliability
Bugs
Vulnerabilities
NGINX
Processor problems have been in the news lately, due to the Meltdown and Spectre vulnerabilities. But generally, engineers writing software assume that computer hardware operates in a reliable, well-understood fashion, and that any problems lie on the software side of the software-hardware divide....
December 21, 2016 2:00PM
A Very WebP New Year from Cloudflare
Cloudflare Polish
Compression
Optimization
WebP
Speed & Reliability
Cloudflare has an automatic image optimization feature called Polish, available to customers on paid plans. It recompresses images and removes unnecessary data so that they are delivered to browsers more quickly....