[CentOS] Swap

[Steve Snyder]

On Monday 05 June 2006 2:18 pm, Sam Drinkard wrote:
> 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.

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=188141