How We Migrated Europe’s Largest Data Lake: On Time and Without Turning the Lights Off

This blog post was written by Dennis Abrazhevich and Koen van Berge Henegouwen.

The Biggest Data Migration in Europe

We’ve all heard those dramatic lines in films boasting about “the largest data leak in history.” *
But while blockbusters exaggerate for dramatic effect, reality is often just as impressive. In this post, we tell the story of a data migration on a blockbuster scale at Booking.com, and how we made it happen.
*Expect a few film and cultural references along the way.