How much swap?

[Uno Engborg]

I am wondering how much swap space I need in modern Linux such as FC6.

I'm planning to set up a system Pentium Dual  Core with 8G RAM, and I 
don't expect I need much
more than that for my apps.

Would I need a swap anyway.  There is some old rule of thumb to have 
twice as much virtual
memory as you have physical RAM, but that sounds a bit ridiculous  as it 
would take a lot
of time to swap in/out this much memory from disk.

In some other Unixes the swap space was needed
to preserve dump information in case of a panic, are there any such 
considerations
in Linux?


Regards
Uno Engborg
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