Consul is used at Criteo at scale for more than 4 years and is one of the most important parts of our infrastructure: any downtime on it can damage the business significantly. With 12 datacenters (9 in production, 3 in preproduction) and more than 42000 agents, configuring Consul to work…

How and why Criteo built a template-based system for Consul consul-templaterb is an OpenSource Software (OSS) written in Ruby that allows you to very quickly create UIs for Consul or configuration files for your beloved software to interact with Consul. This article describes why we wrote it and why you might be interested in using it. The context At the end of…

In this article, we will explain how Criteo uses HashiCorp’s Consul as a live database of all running services and machines, pushing business semantics as a first-class citizen and how it changes the way we operate our platform. We will also dig how to use its features to create easily…

This article is the first one talking about our usage around Consul and the work in the Discovery team. We are a team in charge of running Consul, integrating all parts of Criteo in a streamlined way and providing SDKs for all applications to properly talk to each other. In…