You currently are running an application on a machine type with 2 vCPUs and 4gb RAM. However, recently there have been plenty of memory problems. How to increas...

You currently are running an application on a machine type with 2 vCPUs and 4gb RAM. However, recently there have been plenty of memory problems. How to increase the memory of the application with minimal downtime?

A. In GCP console, upgrade the memory of the Compute Engine instance B. Use gcloud compute instances increase-memory to increase the memory C. Use Live migration to move to machine type with higher memory D. Use Live migration to move to machine type with higher CPU