How often are the debian mirrors updated? I just installed potato a couple days ago, using the Canadian pkg mirror at ftp.ca.debian.org. Today, I ran apt-get update; apt-get upgrade for the first time, and got 0 packages updated. On a hunch, I changed my sources.list to point to http.us.debian.org, and reran the update/upgrade, and got 29 packages updated.
Is this just an n-day lag between the primary site and the mirror, or is ftp.ca.debian.org not being maintained? If the former, how big is n? If it's just a couple days, I can certainly live with that, but if it's much longer, I'll stick to hitting the primary site. My transfer times are comparable (about 10-14.5 KB/s over a 1M ADSL connection, which is pretty poor) between both sites, though the US site is more variable -- I suspect that's due to the higher load on the US site, since my ISP has good connectivity to the US backbone. - Marc