[CentOS] Swap

[Sam Drinkard <sam@xxxxxxxxxx>]

I know this is more of a general unix question, but the thread about the 
last kernel update, and memory usage got me to looking and thinking.  
Given a system with 2 Gb of memory, and at peak usage, top reports 
considerably less than the 2 gig amount in use, as well as system 
monitoring that never shows all available memory used, what would happen 
if you just turned swap off, and let memory handle things?  This machine 
here, has now crept up to using just under 400mb of swap, yet I've never 
seen total memory usage above about 1.4gb.  I'm a bit leary of just 
"swapoff" while the machine is running the weather model, as I'd hate to 
crash things, but I'm just wondering if turning off swap (assuming the 
system is actually using the disks) would break things or in the best 
case, speed things up. 

--
Sam W.Drinkard -- sam@xxxxxxxxxx
http://wa4phy.net
Augusta Area Mesonet
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