My Ubuntu 12.04 freezes when I open quite a few windows. I use it at work with a dual desktop, so I usually use about 10 different tabs in two different Chrome applications. I assume Chrome runs out of memory, or is it my small Swap partition?
When you start swaping your computer will get slow, if you had too little swap, then it wouldn't freeze, instead using too much memory would trigger the kernels Out Of Memory killer, which would then kill the "Baddest" process. (usually your graphical server, or processes in chrome, which would result in the "sad tab" page, or Firefox.) It doesn't sound like you are running out of swap, most computers will get far too slow when they start using alot of swap.
A good program to let you see what processes are running on your computer is
If Chrome really runs out of RAM, there are two simple options:
Another route it to reduce RAM consumption by other processes, for example, disable what's not used, or switch to XFCE or LXDE desktop environments.
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Chrome is known for using more memory than Firefox. Chrome is written with the assumption that people will happily buy more RAM and then they will want pages to load super-super fast. (And that this behaviour is preferable to using less memory and performing better with 200+ tabs.)
There are a number of extensions that help one "save tabs for later" like Too Many Tabs and TabCloud.
Another option is to open articles in