memcache的启动参数
"a:" /* access mask for unix socket */ "p:" /* TCP port number to listen on */ "s:" /* unix socket path to listen on */ "U:" /* UDP port number to listen on */ "m:" /* max memory to use for items in megabytes */ "M" /* return error on memory exhausted */ "c:" /* max simultaneous connections */ "k" /* lock down all paged memory */ "hi" /* help, licence info */ "r" /* maximize core file limit */ "v" /* verbose */ "d" /* daemon mode */ "l:" /* interface to listen on */ "u:" /* user identity to run as */ "P:" /* save PID in file */ "f:" /* factor? */ "n:" /* minimum space allocated for key+value+flags */ "t:" /* threads */ "D:" /* prefix delimiter? */ "L" /* Large memory pages */ "R:" /* max requests per event */ "C" /* Disable use of CAS */ "b:" /* backlog queue limit */ "B:" /* Binding protocol */ "I:" /* Max item size */ "S" /* Sasl ON */ "o:" /* Extended generic options */?
