Uber Blog

Uber and Waymo Reach Settlement

Migrating Uber's ledger data from DynamoDB to LedgerStore

This week, we'll dive into how we migrated Uber’s business-critical ledger data to LedgerStore. We'll detail how we moved more than a trillion entries (making up a few petabytes of data) transparently and without causing disruption, and we'll discuss what we learned during the migration.

Introducing Uber Health, Removing Transportation as a Barrier to Care

Devpod: Remote development environment at Uber

In this blog, we share how we improved the daily edit-build-run developer experience using DevPods, our remote development environment. We will start with some of the initial challenges, the pain points we addressed with Devpod, our architecture, and some of our recent successes in terms of adoption and cost…

Rethinking GPS: Engineering next-gen location at Uber (2018)

Uber’s Sensing, Inference, and Research team released a software upgrade for GPS on Android phones that significantly improves location accuracy in urban environments.

Faster neural networks straight from JPEG (2018)

Uber AI Labs introduces a method for making neural networks that process images faster and more accurately by leveraging JPEG representations.

NilAway: Practical nil panic detection for Go

Uber has widely adopted Golang (Go for short) as a primary programming language for implementing backend services and libraries due to its high performance. The Go monorepo is the largest codebase at Uber, comprising 90 million lines of code (and growing). This makes tooling for writing reliable Go code a critical…

Upgrading Uber's MySQL Fleet

Learn all about our journey of successfully upgrading our MySQL fleet at Uber from v5.7 to v8.0, enhancing performance and reliability.

Reducing logging cost by two orders of magnitude using CLP

Long, long ago, the amount of data our systems output to logs was small enough that we were able to retain all of the log files. This allowed our engineers to freely analyze the logs, say for troubleshooting our systems or improving applications. But as Uber's business grew rapidly, the amount of data being logged…

Update on AB5

Uber migrates microservices to multi-cloud platform running Kubernetes and Mesos

Each and every week, Uber’s 4,500 stateless microservices are deployed more than 100,000 times by 4,000 engineers and many autonomous systems. These services are developed, deployed, and operated by hundreds of individual teams working independently across the globe. The services vary in size, shape, and…

Uber is laying off 10% of staff

Uber

LedgerStore Supports Trillions of Indexes at Uber

Uber connects the physical and digital worlds to help make movement happen at the tap of a button. Billions of trips, deliveries, and tens of billions of financial transactions across earners, spenders, and merchants are made at Uber every quarter. LedgerStore is an immutable storage solution at Uber that provides…

How Uber Protects Against Retry Storms

What if retries could know when they’re helping, and when they’re making things worse? Uber Engineering built error ownership to prevent and contain retry storms.

MySQL at Uber

At Uber, our MySQL® fleet is the backbone of our data infrastructure, supporting a vast array of operations critical to our platform. Uber operates an extensive MySQL fleet, consisting of over 2,300 independent clusters. Building a control plane to manage this fleet at such a massive scale, while ensuring zero…