Well, the 5.0, old -CURRENT and 4.8 have never touch the swap, until 5.1- CURRENT. My system has 256mb ram and it's always touch swap now. If I compile some stuff, sometime it will get around 300mb swap. Current, I only have Gnome 2.3.x and Opera running, so what my top looks like this:
Mem: 85M Active, 29M Inact, 51M Wired, 4496K Cache, 35M Buf, 73M Free Swap: 512M Total, 79M Used, 433M Free, 15% Inuse
But, I will remove the Gnome System Monitor applet, then reboot and see how it goes for the whole afternoon.
People, swap is just a backing store for idle data. If you have 79 Mb that isn't getting used, what would you prefer: to keep it swap-backed so you can throw the pages out on demand, or *wait* until your system is heavily loaded to put the pages on the swap?
Anyway, placing data on the swap is not a problem. What is a problem is what some call "swapping": reading and writing to the swap all the time.
Start a "vmstat 1" and see if pi and po have non-zero values constantly. If not, then your system is _not_ wasting time writing and reading to the disk.
(btw, unless you have disk activity, writing data to the swap does not impact on performance either)
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