On Wed, 29 Jun 2011 10:15:58 -0600, ChadDavis wrote: > I notice that the following two invocations of netstat have drastically > different execution times: > > netstat > > netstat -n > > > When you just use numerical addresses, it executes almost instantly, but > with the domain names and whatever you call those logical names for the > port numbers, such as 'www', it takes quite while ( 5-10 seconds). > > Not a big deal, but just made me think. Surely the name resolution > isn't that costly is it?
That's normal... yes, resolving names takes some time :-) Another example: sm01@stt008:~$ time /sbin/route (...) real 0m5.018s user 0m0.000s sys 0m0.000s sm01@stt008:~$ time /sbin/route -n (...) real 0m0.001s user 0m0.000s sys 0m0.000s Greetings, -- Camaleón -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/pan.2011.06.29.17.16...@gmail.com
