Also, Firefox used to have very serious problems with forcing disk syncs, which made it feel extremely slow and impacted the whole system. I thought that Firefox would have fixed that by now[1], but if it still causes you problems then consider using a different browser.
[1] https://bugzilla.mozilla.org/show_bug.cgi?id=421482 ** Bug watch added: Mozilla Bugzilla #421482 https://bugzilla.mozilla.org/show_bug.cgi?id=421482 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1000164 Title: Unity works slow during heavy system IO (busy disk or network) To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1000164/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs