Update: Using file::memory: for the name of the memory database fixes the problem.
@ carltongibson: The migrations are run automatically whenever the server restarts, due to the changes to MemoryDbOnlyConfig
@ Devil: In our current project, we would like to use a relational cache, in order to store relational data from an external resource in a non-permanent manner.
@ andyide: Since we only use it for caching limited amounts of data, we don’t expect to see any scalability issues.