How to manage a petabyte-scale multi-region cloud data platform with an open-source solution — TLDR: This article shares the data platform practice at Expedia to federate cross-region data lakes spanning multiple geographic regions in the cloud. 1. Background Expedia Group™ (NASDAQ: EXPE) is a technology company that powers travel. Expedia powers travel for everyone, everywhere through our global platform, with industry-leading technology solutions to fuel partner…