On 7/21/11 12:57 PM, Tom Metro wrote: > Rich Braun wrote: >> I can make it go away for that short amount of time by killing >> and restarting the browser, but a day later Firefox is /always/ painfully >> slow >> -- thrashing through memory (not disk) in some inefficient piece of core >> code. > This doesn't fit your description, but one of the inefficiencies in FF > is that it writes out the sessionstore.js file (session data for crash > recovery) in its entirety every 10 seconds, which can cause a very > noticeable hang once your session has grown. This happens after any > action that alters the session, and that can include an action as > innocuous as scrolling in a page. > > I often have 50 to 60 tabs open and after a day or so, FF does get > annoyingly slow.
Thanks for the tip. In FF5 it looks like the default is 15s, but I've just pushed mine up to 90s with: http://www.ghacks.net/2008/07/09/change-the-session-store-interval-in-firefox/ about:config then browser.sessionstore.interval value is in ms. Cheers, Ian
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