I have 6GiB of RAM, and Chromium eats most (typically, about 70-80%) of it. When I have too many tabs open with a lot of browsing history (for reference, currently, I have 61 tab open) Chromium eats all available memory, so, obviously, system chokes on swap.
Still, I prefer manual memory usage control (I have a meter in my panel, near the clock). This feels easier than less-predictable browser-wide hangs where I can't even switch the tab. I've tried Firefox 4 when it was released and I was unsatisfied with its responsiveness, for example, when I open a lot of flash-heavy tabs. While I've heard Mozilla devs did move plugins to separate process, in practice there were cases that the browser did hung for several seconds.
Still, I prefer manual memory usage control (I have a meter in my panel, near the clock). This feels easier than less-predictable browser-wide hangs where I can't even switch the tab. I've tried Firefox 4 when it was released and I was unsatisfied with its responsiveness, for example, when I open a lot of flash-heavy tabs. While I've heard Mozilla devs did move plugins to separate process, in practice there were cases that the browser did hung for several seconds.