From Big Bangs To Crockpots: Strategies For Changing Prod With No Downtime

Like many companies, John Deere has outgrown its data centers and moved to the cloud.

In this talk I recount a few different types of migrations and transformations as we moved from our small town to the big city. This includes moving a high volume transactional monolith from Moline Illinois to AWS with only 5 seconds of downtime, rewriting the permission storage systems for everything (twice), and balancing storage vs performance in dealing with a 50 petabyte agronomic data pond.