Comment Comment by OtherShrezzing gov.uk did a good writeup of their 11 second migration of a 400gb database with ~1000 read/writes per second:https://gds.blog.gov.uk/2024/01/17/how-we-migrated-our-postg...With their approach, there would always be a minimum of 1 second downtime from the DNS changeover. parent OtherShrezzing 2 years ago
https://gds.blog.gov.uk/2024/01/17/how-we-migrated-our-postg...
With their approach, there would always be a minimum of 1 second downtime from the DNS changeover.