Firefox Memory Usage

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0roo0roo

No Lifer
Sep 21, 2002
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Originally posted by: CTho9305
Originally posted by: RampantAndroid
Originally posted by: hans007
i have had firefox use up over 300megs.

its because it keeps a cache of all the sites you have visted supposedly.

In about:config I turned off caching....didn't work. Still hit 200 some megs in less then 10 minutes.

Tried to limit the cache size...exceeded the cache size in less than 60 seconds.

Turned off ALL forms of caching, including the HD, still....doesn't affect RAM usage...just makes loading pages really slow.

My solution? config.trim_on_minimize = true
I've just gotta remember to minimize FF. heh.

Get on IRC (irc.mozilla.org #firefox) and ask about how to help track down memory leaks. The only people who can reproduce these "leaks" never want to help developers find them.... and since developers tend not to experience 20MB/minute growth like you claim, it makes it hard to track down.

trim_on_minimize does not meaninfully reduce Firefox's impact on your system.
IIRC, setting the cache to 64MB is bigger than the default it pics.
Link prefetching is almost never used.


why is it not meaningful?