I have this problem too with Feisty 7.04. My cache at the moment is 650 MBs and growing. I have being installing apps with add/remove, update manager and Synaptic in the last 3 days. But if there is a cap for 500 MBs, it doesn't seem to work here.
-- apt cache can swell to gigantic proportions https://launchpad.net/bugs/13116 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
