Redis: Show database size/size for keys

Question

My redis instance seems to being growing very large and I\'d like to find out which of the multiple databases I have in there consumes how much memory. Redis\' INFO

Answer 1

MEMORY USAGE key command gives you the number of bytes that a key and its value require to be stored in RAM.

The reported usage is the total of memory allocations for data and administrative overheads that a key its value require (source redis documentation)