Scaling Beyond a Billion Transactions Per Day with Sub-second Responses

Bye bye Mongo, Hello Postgres

In April the Guardian switched off the Mongo DB cluster used to store our content after completing a migration to PostgreSQL on Amazon RDS. This post covers why and how At the Guardian, the majority of content – including articles, live blogs, galleries and video content – is produced in our in-house CMS tool, Composer. This, until recently, was backed by a Mongo DB database running on AWS.

Stack Overflow: How We Do Monitoring

What is monitoring? As far as I can tell, it means different things to different people. But we more or less agree on the concept.

How Uber Beacon Helps Improve Safety for Riders and Drivers