tldr; They built an event/messaging system. When an event occurs they broadcast ...

ransom1538 on March 17, 2017 | parent | context | favorite | on: Scaling Financial Reporting at Airbnb

tldr; They built an event/messaging system. When an event occurs they broadcast that event with meta data. (EG. event: reservation_booked, meta {..}). Before they tightly coupled reporting sql inside the business logic.