ReAir: Easy-to-Use Tools for Migrating and Replicating Petabyte-Scale Data WarehousesAirbnb’s data infrastructure has been an essential part of our strategy to continuously improve our products. Our Hive data warehouse grew exponentially from 350TB in the middle of 2013 to 11PB by the end of 2015. As the company grew, the demands on the reliability of the warehouse grew as well, and we sought to migrate our warehouse to new architectures. We found that existing migration tools eit
