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Rolling Back an Airflow Upgrade

February 26, 2021 ,

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

Build System Integration Testing with Chef

April 05, 2016

At Wealthfront, we’re constantly pushing to use cutting edge technologies to take advantage of new language features, improved compilers, new libraries, and the like. Downtime in our build system would be a big problem with how often we like pushing new code to production, so we want a process that would allow us to upgrade parts… Read more