How Balanced does Database Migrations with Zero-Downtime » Balanced: Blog
blog.balancedpayments.com/payments-infrastructure-suspending-traffic-zero-downtime-migrations
What Jamie wrote
On one hand it’s sort of amazing that it’s 2017 and we are still figuring out the best way to do database migrations in production. On the other hand, it’s really hard to do and has a lot of edge cases that are specific to your problem domain and solution. I think it’s interesting to see how organizations do these with little to no downtime. It’s not easy to do.