Re: Swap Considerations

[Matthew Miller <mattdm@xxxxxxxxxx>]

On Tue, Feb 27, 2007 at 05:47:08PM +0530, Sudev Barar wrote:
> >> Pardon me, but I just set up a CentOS box with 8GB of swap partition
> >> yesterday. Am I misisng something?
> >Sure -- about 8GB of disk space which could have been better used in 
> >another
> >way. :)
> eerrrr but it would be 6GB surely? AFAIK 2GB of swap is max
> addresseable by CentOS so only balance would have been better used
> somewhere else ;-)

In almost all cases, if you're using more than a few dozen megabytes of
swap, it's already too late. Disk is so many times slower than ram it's
pathetic. If you have to use anywhere close to 2GB, you might as well be out
of memory.


(The exception here is suspend-to-disk, which uses your swap partition.)



-- 
Matthew Miller           mattdm@xxxxxxxxxx          <http://mattdm.org/>
Boston University Linux      ------>              <http://linux.bu.edu/>
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