Safely Performing Large-Scale Schema Changes: A Tale from the Trenches

Explore a real-world case study on safely performing large-scale schema changes in this conference talk from Devoxx Poland 2021. Learn how to modify the primary key of a table for millions of users and thousands of tenants without causing incidents or waking up SREs in the middle of the night. Gain insights from speaker Maciej Przepióra, an experienced developer with over 10 years of experience in Java and JavaScript web applications, who shares his expertise from working at companies like Atlassian, Vaadin, and Capgemini. Discover practical strategies for managing complex database operations at scale and minimizing disruptions to critical systems.