This isn't limited to Unity. Just found my start-kde.log had swollen to several gigabytes because of a V4L bug that VLC had been spewing out for several minutes.
Upstart needs to be more clever about repeated messages. syslog can, for example, munch quick duplicates and say "Line repeated x times" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1240848 Title: ~/.cache/upstart takes up around 70GB of space due to unity and mediascanner To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1240848/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs