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Robert Conroy

Rolling Back an Airflow Upgrade

At Wealthfront, we have many important processes coordinated with Airflow. This includes hourly and daily ETL jobs for ingestion, Spark pipelines for computing derived information, and other batch processes like moving money to our partner banks. With an open-source project that’s actively evolving like Airflow, we’d like to be able to upgrade versions to take… Read more

February 26, 2021 ,

Matthew Wilber

Tradeoffs in AB Testing Frameworks

At Wealthfront, the A/B test is one of our most powerful decision-making tools. It helps us make decisions under uncertainty, and learn about how our clients are reacting to new features we build. Our own framework has been a particularly featured one, supporting Bayesian inference methods, continuous stopping criteria, check metrics, and multiple variants. Recently,… Read more

June 22, 2017 , ,