You can work around this (a) vacuuming it by hand or (b) just deleting it (losing all your visited links).
I did this and Firefox is suddenly as fast as Chromium. (Xubuntu 14.04, 4GB RAM.)
https://bugzilla.mozilla.org/show_bug.cgi?id=512854
You can work around this (a) vacuuming it by hand or (b) just deleting it (losing all your visited links).
I did this and Firefox is suddenly as fast as Chromium. (Xubuntu 14.04, 4GB RAM.)