News

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

Cape Technical Deep Dive

In this post, we’ll take a deep dive into the design of the Cape framework. First, we’ll discuss Cape’s architecture. Then we’ll look at the core scheduling component of the system.

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.

Moving from Kube2Iam to Kiam

At Ibotta, we chose kube2iam to assign AWS IAM Roles to containers running in our Kubernetes cluster. Lately, we’ve run into some issues with it—specifically when running a job that scores all of our service repos. This spins up a number of pods in parallel and has often failed to correctly access roles.

Implementing the Netflix Media Database

In the previous blog posts in this series, we introduced the Netflix Media DataBase (NMDB) and its salient “Media Document” data model. In this post we will provide details of the NMDB system architecture beginning with the system requirements—these will serve as the necessary motivation for the architectural choices we made. A fundamental requirement for any lasting data system is that it should scale along with the growth of the business applications it wishes to serve.

Scaling Cash Payments in Uber Eats

This article is the fourth in a series covering how Uber’s mobile engineering team developed the newest version of our driver app, codenamed Carbon, a core component of our ridesharing business. Among other new features, the app lets our population of over three million driver-partners find fares, get directions, and track their earnings. We began designing the new app in conjunction with feedback from our driver-partners in 2017 and began rolling it out for production in September 2018.

Kubernetes Federation Evolution

Deploying applications to a kubernetes cluster is well defined and can in some cases be as simple as kubectl create -f app.yaml. The user’s story to deploy apps across multiple clusters has not been that simple. How should an app workload be distributed?

Announcing GitLab Serverless

Serverless is the latest innovation in cloud computing that promises to alter the cost-benefit equation for enterprises. As our CEO, Sid Sijbrandij says, ‘All roads lead to compute.’ There is a race among providers to acquire as many workloads from enterprises as possible, at the cheapest cost.

Building Services at Airbnb Part 3

In the third post of our series on scaling service development, we dive into resilience engineering practices built into the standard service platform that powers the new Services Oriented Architecture atAirbnb. Airbnb is moving its infrastructure towards a Service Oriented Architecture. A reliable, performant, and developer-friendly polyglot service platform is an underpinning component in Airbnb’s architectural evolution.