The command "stats" is used to query the server about statistics it
maintains and other internal data. It has two forms. Without
arguments:
stats\r\n
it causes the server to output general-purpose statistics and settings, documented below. In the other form it has some arguments:
stats <args>\r\n
Depending on <args>, various internal data is sent by the server. The kinds of arguments and the data sent are not documented in this vesion of the protocol, and are subject to change for the convenience of memcache developers.