Handling Flaky Unit Tests in Java
Introduction to Flaky Tests
Unit testing forms the bedrock of any Continuous Integration (CI) system. It warns software engineers of bugs in newly-implemented code and...
Scaling of Uber’s API gateway
As a recap from the last article, Uber’s API Gateway provides an interface and acts as a single point of access for all of...
The Architecture of Uber’s API gateway
API gateways are an integral part of microservices architecture in recent years. An API gateway provides a single point of entry for all our...
Flipr: Making Changes Quickly and Safely at Scale
Introduction
Uber’s many software systems require a high volume of changes every day. Because of our systems’ size and complexity, it is a significant challenge...
Designing Edge Gateway, Uber’s API Lifecycle Management Platform
The making of Edge Gateway, the highly-available and scalable self-serve gateway to configure, manage, and monitor APIs of every business domain at Uber.
Evolution of...
Introducing Domain-Oriented Microservice Architecture
Introduction
Recently there has been substantial discussion around the downsides of service oriented architectures and microservice architectures in particular. While only a few years ago,...
Why We Leverage Multi-tenancy in Uber’s Microservice Architecture
Multi-tenancy lets Uber tag requests coming into our microservice architecture, giving us the flexibility to route requests to specific components, such as during testing scenarios.
Engineering SQL Support on Apache Pinot at Uber
We engineered full SQL support on Apache Pinot to enable quick analysis and reporting on aggregated data, leading to improved experiences on our platform.
Uber Infrastructure in 2019: Improving Reliability, Driving Customer Satisfaction
In 2019, Uber's Infrastructure team built new services and systems to enable resource savings, efficiency gains, and greater resilience across our technology stack.
Uber’s Data Platform in 2019: Transforming Information to Intelligence
In 2019, Uber's Data Platform team leveraged data science to improve the efficiency of our infrastructure, enabling us to compute optimum datastore and hardware usage.
Productionizing Distributed XGBoost to Train Deep Tree Models with Large Data Sets at Uber
We share technical challenges and lessons learned while productionizing and scaling XGBoost to train distributed gradient boosted algorithms at Uber.
Optimizing Observability with Jaeger, M3, and XYS at Uber
Uber’s observability engineers present their work on distributed tracing (Jaeger), sampling (XYS), and metrics processing (M3).
Introducing Menu Maker: Uber Eats’ New Menu Management Tool
To simplify the Uber Eats experience for our restaurant-partners, we built Menu Maker, a web-based tool for seamlessly managing menus on the Uber Eats app.
Evolving Michelangelo Model Representation for Flexibility at Scale
To accommodate additional ML use cases, Uber evolved Michelangelo's application of the Apache Spark MLlib library for greater flexibility and extensibility.
Building the New Uber Freight App as Lists of Modular, Reusable Components
We redesigned the Uber Freight app with RIBs, our open source plugin architecture, to enable quicker feature rollouts and an improved user experience.
Less is More: Engineering Data Warehouse Efficiency with Minimalist Design
Data science helps Uber determine which tables in a database should be off-boarded to another source to maximize the efficiency of our data warehouse.
Migrating Functionality Between Large-scale Production Systems Seamlessly
With zero downtime, Uber's Payments Engineering team embarked on a migration that would allow authorization hold logic to be written once and used across existing and future payments products.
Employing QUIC Protocol to Optimize Uber’s App Performance
Implementing QUIC protocol against TCP over cellular networks on our apps led to a reduction of 10-30 percent in tail-end latencies for HTTP traffic.
Improving the User Experience with Uber’s Customer Obsession Ticket Routing Workflow and Orchestration Engine
Uber adopted workflow orchestration and Cadence, our open source orchestration engine, to better handle customer support ticket routing at scale.
Open Sourcing Peloton, Uber’s Unified Resource Scheduler
First introduced by Uber in November 2018, Peloton manages resources across large-scale, distinct workloads, combining separate compute clusters.
