Mem size

Total size of dynamically allocated memory, in KB.

Every time the server requests memory from the operating system through malloc, and so forth, this counter is increased. This counter should correlate to the virtual memory size reported by operating system level tools such as TOP (which is a command in UNIX and Linux environments).

Imdb size

In-memory database size. Note: This is the same counter as ADMIN COMMAND 'info imdbsize'

Mem page alloc

Number of explicitly allocated pages

Mem page free

Number of free pages