Ubuntu
apt package

  1. Bug #1429285
  2. Comment #2

Comment 2 for bug 1429285

Revision history for this message
Scott Moser (smoser) wrote :

Just realized, that ideally 'apt-get update' would respect headers that were put in place by the source.
$ wget -S -q http://azure.archive.ubuntu.com/ubuntu/dists/vivid/Release -O /dev/null
  HTTP/1.1 200 OK
  Date: Tue, 31 Mar 2015 13:32:55 GMT
  Server: Apache/2.2.22 (Ubuntu)
  Last-Modified: Tue, 31 Mar 2015 12:28:00 GMT
  ETag: "34f32-51294baae5400"
  Accept-Ranges: bytes
  Content-Length: 216882
  Cache-Control: max-age=0, proxy-revalidate
  Expires: Tue, 31 Mar 2015 13:32:55 GMT
  Keep-Alive: timeout=5, max=100

Ie, by default apt-get should not bother pulling that again until the 'Expires' date. Subsequent 'apt-get update' would just skip it, unless told '--force' or some thing. Such a policy would drastically reduce load (and traffic on mirrors or original mirrors).