Your application follows a microservices architecture and uses a single large Cloud SQL instance, which is starting to have performance issues as your applicati...

Your application follows a microservices architecture and uses a single large Cloud SQL instance, which is starting to have performance issues as your application grows. in the Cloud Monitoring dashboard, the CPU utilization looks normal You want to follow Google-recommended practices to resolve and prevent these performance issues while avoiding any major refactoring. What should you do?

A. Use Cloud Spanner instead of Cloud SQL. B. Increase the number of CPUs for your instance. C. Increase the storage size for the instance. D. Use many smaller Cloud SQL instances.