AWS Services with or without Maintenance Windows

It is important to understand which AWS services have a maintenance window which services do not.

AWS Services with a maintenance window

1. Relational Database Service (RDS)
2. Elasticache
3. Redshift
4. DynamoDB DAX
5. Neptune — The Graph Database
6. DocumentDB — The MongoDB service

AWS Services without a maintenance window

1. EC2
2. Lambda
3. QLDB — The Quantun Ledger Database