I have an Multi-AZ RDS instance. Due to some maintenance I want to create a consistent snapshot of the database during the day, but this means shutting down all our services. I noticed from the AWS console that the time between a database backup start and finish is about 30 minutes.
What I was wondering is if this impacts performance and if so, how long and when? Is it like EBS where I can start everything up again when the snapshot moves from "creating" to "progess" or do I need to wait until it is entirely complete?
Because if possible I'd like to minimize the amount of downtime our services have, meaning that not having to wait for the entire backup would save us a lot of time.