Adobe recommends a shared-nothing architecture for your publishers -
meaning each publisher holds its own Oak repository - usually on-disk.
The size of your Oak repository on your EBS volume will determine how
long it takes to make a snapshot of that EBS volume. As you're aware,
you can't just hydrate a publisher repository on-demand - it can only be
populated with either a clone of an already-populated repository or by
re-activating all of your content.AWS's base autoscaling event