A company runs Grafana on a single Amazon EC2 instance to visualize and monitor AWS workloads. The company has invested effort building dashboards and needs them to be highly available with downtime no longer than 10 minutes. The company also wants to minimize ongoing maintenance. Which solution meets these requirements with the LEAST operational overhead?

Amazon Managed Grafana (AMG) is a fully managed service that provides high availability and minimizes operational overhead, directly addressing the company's requirements. Exporting existing Grafana dashboards and importing them into AMG allows for reuse of the company's investment. Configuring a CloudWatch data source ensures continued monitoring of AWS workloads. Migrating to CloudWatch dashboards would require significant re-engineering and loss of existing Grafana features. Building an AMI with an Auto Scaling group and ALB adds significant operational overhead for managing the EC2 instances, AMIs, and EFS, which contradicts the goal of minimizing maintenance. Scheduling AWS Backup for hourly backups and manual restoration does not guarantee a 10-minute recovery time objective (RTO) and is a reactive rather than proactive high-availability solution.