Tag: Infra

Code Migration in Production: Rewriting the Sharding Layer of Uber’s Schemaless Datastore

Migrating our Schemaless sharding layer from Python to Go while in production demonstrated that it was possible for us to rewrite the frontend of a massive datastore with zero downtime.

Reliability at Scale: Engineering an Uneventful New Year’s Eve

How does Uber keep New Year's Eve and other high traffic events...well, uneventful? By keeping our networks extensible and our services reliable year-round.

Constructing a Seamless Flow: Meet Uber Engineering’s Developer Experience Team

Get to know Uber's Developer Experience team, a group of writers, educators, and technologists dedicated to setting our engineers up for success.

Pyflame: Uber Engineering’s Ptracing Profiler for Python

Seemingly small inefficiencies are greatly magnified as Uber's business scales. In this article we’ll explore design considerations and unique implementation characteristics of Pyflame, Uber Engineering's high-performance Python profiler implemented in C++.

The Uber Engineering Summer Intern Experience

As this summer comes to a close, profiles from last summer's Uber Engineering intern class and what their Uber experience was like.

uReplicator: Uber Engineering’s Robust Apache Kafka Replicator

Take a look into uReplicator, Uber’s open source solution for replicating Apache Kafka data in a robust and reliable manner.

Why Uber Engineering Switched from Postgres to MySQL

Uber Engineering explains the technical reasoning behind its switch in database technologies, from Postgres to MySQL.

The Uber Engineering Tech Stack, Part I: The Foundation

Uber’s mission is transportation as reliable as running water, everywhere, for everyone. Here's the first of a two-part series on the tech stack that Uber Engineering uses to make this happen.

Engineering Uber Systems to Combat Fraud

Fraud prevention is one of Uber's fastest growing areas of research and development. As our platform has grown, so has the international underworld that tries to undermine it. Here’s how Uber engineers systems to fight fraud in 2016 and beyond.

Uber Engineering’s Micro Deploy: Deploying Daily with Confidence

Uber Engineering's Micro Deploy (μDeploy), our in-house deployment system that builds, upgrades, and rolls back services at Uber.

Meet Uber Engineering Amsterdam

A team profile of the people and technical work of Uber Engineering Amsterdam, and what it’s like to be a part of the team.

Rewriting Uber Engineering: The Opportunities Microservices Provide

To show how a microservice is implemented in Uber Engineering's ecosystem, we look at the development of Tincup, our currency and exchange rate service.

How We Built Uber Engineering’s Highest Query per Second Service Using Go

How the Go programming language helped Uber Engineering build and scale our highest queries per second microservice, for geofence lookups.

How Uber Engineering Evaluated JSON Encoding and Compression Algorithms to Put the Squeeze on...

Imagine you have to store data whose massive influx increases by the hour. Your first priority, after making sure you can easily add storage capacity, is to try and reduce the data’s footprint to save space. But how? This is the story of Uber Engineering’s comprehensive encoding protocol and compression algorithm test and how this discipline saved space in our Schemaless datastores.

How Ringpop from Uber Engineering Helps Distribute Your Application

How to develop with Uber Engineering's Ringpop, an open source library developed to make our applications cooperative and scalable.

Using Triggers On Schemaless, Uber Engineering’s Datastore Using MySQL

The details and examples of Schemaless triggers, a key feature of the datastore that’s kept Uber Engineering scaling since October 2014. This is the third installment of a three-part series on Schemaless; the first part is a design overview and the second part is a discussion of architecture.

The Architecture of Schemaless, Uber Engineering’s Trip Datastore Using MySQL

How Uber’s infrastructure works with Schemaless, the datastore using MySQL that’s kept Uber Engineering scaling since October 2014. This is part two of a three-part series on Schemaless; part one is on designing Schemaless.

Designing Schemaless, Uber Engineering’s Scalable Datastore Using MySQL

The making of Schemaless, Uber Engineering’s custom designed datastore using MySQL, which has allowed us to scale from 2014 to beyond. This is part one of a three-part series on Schemaless.

Service-Oriented Architecture: Scaling the Uber Engineering Codebase As We Grow

Moving away from a monolithic codebase to a service-oriented architecture (SOA) has not been an easy task. Here's a brief glimpse of the scalability problems we've faced and the steps we've taken to solve them.

Learning as a New Grad on the Uber Engineering Money Team

One of our new graduate hires from 2014, Cory, recounts a lesson learned from deploying code with a bug for our payment systems on a Friday.

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