A Byzantine failure in the real world
November 27, 2020 12:00PM
When we review design documents at Cloudflare, we are always on the lookout for Single Points of Failure (SPOFs). In this post, we present a timeline of a real-world incident, and how an interesting failure mode known as a Byzantine fault played a role in a cascading series of events....
Continue reading »
Introducing CFSSL 1.2
March 31, 2016 1:00PM
Continuing our commitment to high quality open-source software, we’re happy to announce release 1.2 of CFSSL, our TLS/PKI Swiss Army knife. We haven’t written much about CFSSL here since we originally open sourced the project in 2014, so we thought we’d provide an update....
Scaling out PostgreSQL for CloudFlare Analytics using CitusDB
April 09, 2015 6:32PM
When I joined CloudFlare about 18 months ago, we had just started to build out our new Data Platform. At that point, the log processing and analytics pipeline built in the early days of the company had reached its limits....