What about other parts of the index commands?
Is this enough to say what is *exactly* so slow when client runs 'find' command and it takes 1 second?

The whole monitoring idea is to provide enough information to say what's wrong right now with the client commands. Why it takes too long, what exactly has been eating my time, what is the slowest part in the stack and so on.

When I read monitoring output I absolutely must understand why my command took so long.
Is this present in your monitoring implementation?