I made a lot of migrations with MongoDB without downtime with dbs up to 200-300Gb. Most easy way is to support this on your backend side, and then gradually swi

I made a lot of migrations with MongoDB without downtime with dbs up to 200-300Gb. Most easy way is to support this on your backend side, and then gradually switch data. It is easy to do when you can move your date item-by-item, if it possible. Feel free to PM me!