Capacity planning for Sitecore Managed Cloud
Plan the capacity needed for your databases and cache.
To get the most out of your Managed Cloud service, it is good practice to think about the capacity that your content database, xDB, and cache will need. It is likely that your requirements for each of them will change over time and you will have to scale up or scale down accordingly. Learn more about capacity planning and how to scale Search services with Microsoft Azure, including:
Content database size - Consider the size and capacity that your content database will require. You can use multiple databases if necessary).
xDB size - Estimate your memory and storage requirements for a session by considering the size of your private/shared session, and the session duration.
Cache size - Over time you might need to update the size of your Redis cache. Refer to the Microsoft documentation to learn more about the different operations needed to modify the Redis cache.