A client wants to migrate their on-premise application to Heroku. The application maintains a local, in-memory cache for its data store to improve performance. What should an Architect advise the client about running the application on Heroku?

A. The application should declare its in-memory cache as a separate process type to preserve it across deploys.
B. All of the application's web dynos will share a single in-memory cache.
C. The application should replicate its in-memory cache to a local disk to preserve it across deploys.
D. The application's in-memory cache might be cleared at any time.

Suggest answer: A

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