Fedora 4 swap + mem

Mogens Kjaer mk at crc.dk
Thu Jul 7 10:22:24 UTC 2005


rassylkaformazaj at ukr.net wrote:
> Hello all
> 
> Also a question about swap.
> 
> I have 4G of RAM and partition about 4G for swap.
> 
> # cat /etc/fstab
> ....
> LABEL=SWAP-cciss/c0d0p  swap                    swap    defaults        0 0

Try replacing "LABEL=SWAP-cciss/c0d0p" with /dev/cciss/c0d0p? where
the question mark should be replaced with the partition number of
your swap partition. You might use fdisk to find the right partition:

fdisk -l /dev/cciss/c0d0


> But seems Fedora doesn't use swap
> # free
>              total       used       free     shared    buffers     cached
> Mem:       4086512    3951232     135280          0     160540     898700
> -/+ buffers/cache:    2891992    1194520
...
> so resident set size, the non-swapped physical memory that a tasks has
> used (in kiloBytes) is 2659344k ~= 2.6G , and virtual memory size of
> the processes in KiB is about 3.2G . But all this this is much lesser
> then shows free utility (3.9). 
> 
> can someone explain plz?
> 

The answer is right in front of your eyes. The rest of the memory
is used for cache and buffers. You should compare the number 2891992
with 2659344, not a big difference.

Mogens

-- 
Mogens Kjaer, Carlsberg A/S, Computer Department
Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark
Phone: +45 33 27 53 25, Fax: +45 33 27 47 08
Email: mk at crc.dk Homepage: http://www.crc.dk




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