How Pinterest Transfers Hundreds of Terabytes of Data With CDC

Reading about how massive platforms use certain technologies is a great way to learn about them (and retain that learning!). This Pinterest case studies highlights change data capture (CDC) in all its glory - and the inefficient methods it replaces like DB triggers and batch jobs to detect inserts, updates, and deletions. Yet another instance of control plane-data plane design. Cool to know Debezium exists and is free.