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Home Authors Posts by Girish Baliga

Girish Baliga

Girish Baliga
3 BLOG ARTICLES 0 RESEARCH PAPERS
Girish manages Pinot, Flink, and Presto teams at Uber. He is helping the team build a comprehensive self-service real-time analytics platform based on Pinot to power business-critical external facing dashboards and metrics. Girish is the Chairman of the Presto Linux Foundation Governing Board.

Engineering Blog Articles

Operating Apache Pinot @ Uber Scale

Introduction

Uber has a complex marketplace consisting of riders, drivers, eaters, restaurants and so on. Operating that marketplace at a global scale requires real-time intelligence and decision making. For instance, identifying delayed Uber Eats orders or abandoned carts helps to

Tricks of the Trade: Tuning JVM Memory for Large-scale Services

Running queries on Uber’s data platform lets us make data-driven decisions at every level, from forecasting rider demand during high traffic events to identifying and addressing bottlenecks in the driver sign-up process. Our Apache Hadoop-based data platform ingests

Less is More: Engineering Data Warehouse Efficiency with Minimalist Design

Maintaining Uber’s large-scale data warehouse comes with an operational cost in terms of ETL functions and storage. In our experience, optimizing for operational efficiency requires answering one key question: for which tables does the maintenance cost supersede utility? Once identified,

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