david dooling is quite smart & i generally trust what he says, but let me just point out that by default ubuntu uses the multiple-line method, so it can't be bothering their servers too much. :)
scott Robert Citek wrote: > David Dooling wrote: >> On Wed, Feb 21, 2007 at 03:32:29PM -0600, Robert Citek wrote: >>> Is there any advantage/disadvantage to having repository components >>> in one line or several lines in a sources.list file? >> When downloading files, apt parallelizes by opening one conncetion >> per server. If it considers each line in sources.list a different >> server, apt would connect four times to archive.ubuntu.com. This may >> be considerd abuse by the folks at Ubuntu (although they probably >> would not even notice). If apt does some sort of string comparison >> to determine unique hosts, then there should no difference. > > According to the man page, apt is doing some collapsing: > > <quote> > APT will sort the URI list after it has generated a complete set > internally, and will collapse multiple references to the same Internet > host, for instance, into a single connection, so that it does not > inefficiently establish an FTP connection, close it, do something else, > and then re-establish a connection to that same host. > </quote> > > But then man pages are like comments in code: occasionally out of sync > with reality. Which is why I was wondering if anyone knew of any > gotchas to using multiple lines. > > Regards, > - Robert > > > _______________________________________________ > CWE-LUG mailing list > [email protected] > http://www.cwelug.org/ > http://www.cwelug.org/archives/ > http://www.cwelug.org/mailinglist/ -- R. Scott Granneman [EMAIL PROTECTED] ~ www.granneman.com Full list of publications @ http://www.granneman.com/publications My new book: Linux Phrasebook @ http://www.granneman.com/books Read the Download Squad Blog @ http://www.downloadsquad.com "Any event, once it has occurred, can be made to appear inevitable by a competent historian." ---Lee Simonson _______________________________________________ CWE-LUG mailing list [email protected] http://www.cwelug.org/ http://www.cwelug.org/archives/ http://www.cwelug.org/mailinglist/
