DSM7 Synology SSD Cache set up

[SvenM (A bit can have 10 different values)]

This thread might be of interest to you:

Is it feasible to keep the Roon database in the SSD cache of my Synology?

I run Roon on my Syno DS1520+ and I could install a SSD cache memory module. Is it feasible to keep the Roon database then in this SSD cache? Or does the database needs to be on one of the 5 disk bays I have?