Hybrid disc are used with memory and swap file (typical hard disk).
To complement the lack of memory, you can increase the size of the RAM Disk.
Example) Memory 1024MB + swap file 3072MB = RAM Disk 4096MB
Memory is exhausted, the swap file is created and used.
Performance drop when using a swap file, but the problem can be prevented by lack of capacity.
Hybrid disk and use the backup and restore is not recommended.