At Wix, our Data Warehouse (DWH) is a massive repository of insights. Built on Amazon S3 using Apache Iceberg table formats, and populated by Trino and Spark jobs, it houses petabytes of data—from user segmentation and logs to AI chat analytics. However, storage is only half the battle. The real challenge—and the "holy grail" for many data engineering teams—is Activation : taking that petabyte-scale data and exposing it to backend microservices with millisecond latency, high