Talk by Jonathan Oxer at the Debian Miniconf at linux.conf.au in January 2008 about the various caching mechanisms available for Debian / Ubuntu packages. Provides an overview of apt-proxy, apt-cacher, and approx. More information at http://jon.oxer.com.au/talks/id/100

1. Package
Caching
Solutions
Jonathan Oxer
Debian Miniconf 7
January 28, 2008
Melbourne, Australia

2. Problem:
for n machines,
all packages are
downloaded n times

3. So run a local
mirror, right?
Not so fast!

4. A mirror is a dumb
copy of the
entire archive...

5. ...including every
package you've
never installed!

6. ftp.au.debian.org
th th
Dec 16 2007 – Jan 19 2008:
1,200,598 package downloads

7. ftp.au.debian.org
th th
Dec 16 2007 – Jan 19 2008:
1,200,598 package downloads
277,110 different .debs
(35,513 in i386 alone)
16,296 packages in i386

8. Downloads / .deb: Debian i386