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Gang Zhao

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Gang Zhao is a former Senior Software Engineer II who led Gairos optimization, uMetric consumption while focusing on storage layer Elasticsearch, Apache Pinot, Apache Cassandra, Docstore, and query layer optimization.

Engineering Blog Articles

Building Scalable Streaming Pipelines for Near Real-Time Features

Background

Uber is committed to providing reliable services to customers across our global markets. To achieve this, we heavily rely on machine learning (ML) to make informed decisions like forecasting and surge. As a result, real-time streaming pipelines, which are

Uber’s Real-time Data Intelligence Platform At Scale: Improving Gairos Scalability/Reliability

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Background

Real-time data (# of ride requests, # of drivers available, weather, game) enables operations teams to make informed decisions like surge pricing, maximum dispatch ETA calculating, and demand/supply forecasting about our services that improve user experiences on the

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