A significant portion of the database buffer cache has been written out to the system paging file. This may result in severe ...

A significant portion of the database buffer cache has been written out to the system paging file. This may result in severe performance degradation.
See help link for complete details of possible causes.
Previous cache residency state: %1% (%2 out of %3 buffers) (%4 seconds ago)
Current cache residency state:  %5% (%6 out of %7 buffers)
Current cache size vs. target:  %8% (%9 MBs)
Physical Memory / RAM size:     %10 MBs