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Re:Opera 11 - new and improved (Alpha) by Osiris on Friday November 19, 2010 @12:59PM (#1922114)
You can manually set the memory cache in Preferences.

I figure that unused RAM is wasted RAM. If I've got 4GB of RAM and all that caching allows to browse faster (going back a page in Opera is lightening fast), then I applaud it.

Re:Opera 11 - new and improved (Alpha) by lhnn on Friday November 19, 2010 @02:54PM (#1922542)
I like getting downvoted for not knowing the minutia of a program's memory handling. Thanks, people.

To Osiris: Given I'm not aware of that 150+ MB being dynamic, I assume that's 150MB I'm not getting back if and when I need it. I play memory-eating video games and use VMs; 150MB for a web browser looks like a lot when you've got to trim the fat off your running processes.

Does Opera reduce its memory footprint when you are low on RAM?