Stephan Ellner

Stephan Ellner
Principal Software Engineer, Google

Stephan Ellner has been a software engineer in Google’s ads infrastructure team since 2004, focusing on stream processing and low-latency distributed query execution. Stephan currently manages the teams developing the F1 database and related extraction and reporting systems. He holds Master’s degrees in computer science and classical music from Rice University.


Beyond Hadoop Great America Ballroom J
Stephan Ellner (Google), Jeff Shute (Google)
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Many of the services that are critical to Google’s ad business have historically been backed by MySQL. We have recently migrated several of these services to F1, a new RDBMS developed at Google. F1 implements rich relational database features, including a strictly enforced schema, a powerful parallel SQL query engine, general transactions, change tracking and notification, and indexing. Read more.


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