How do you upgrade or downgrade a system with near-zero downtime?
You can redesign or minimize a framework with almost zero personal time utilizing the accompanying strides of movement:
Open EC2 support
Pick Operating System AMI
Dispatch a case with the new occasion type
Introduce all the updates
Introduce applications
Test the case to check whether it's working
On the off chance that working, send the new occurrence and supplant the more established case
When it's conveyed, you can redesign or downsize the framework with close to zero personal time.