High Memory Usage

[Alexander Dalloz]

Am Mi, den 15.12.2004 schrieb Beri, Rohit um 11:51:

> > I have had FC3 running on Dell Latitue 840 for about 3 weeks now. 
> > around 3 days back I realized machine being a little slow and noticed 
> > that out of 1gb of RAM, at all times the system is using 920+MB of 
> > physical ram. Now based on my windows knowledge its not normal... 
> > windows right after login, with no apps running takes around 180mb... 
> > while FC3 runs at 900+mb right after login.
> >
> > to release some memory i went to service and shut down most of them, 
> > like the ssh, ftp, httpd and a few others, but still when I restart 
> > the memory usage is same 900+mb... any thoughts as to it being normal 
> > or something i need to watch ...
> >
> > Thanks,
> >
> > -B
> >
> here what what i see when i run "free"
> 
> [root at localhost ~]# free
>              total       used       free     shared    buffers     cached
> Mem:       1035084     994480      40604          0      22696     871120
> -/+ buffers/cache:     100664     934420
> Swap:      2031608          0    2031608
> [root at localhost ~]#

This question comes up again and again. Please have a look at the
"cached" value. It is pretty normal what you observe. Unused real memory
(RAM) is wasted memory. The kernel automatically uses all the RAM in
your machine and what's not needed to run current processes it uses for
buffering and caching. See i.e.

http://learnlinux.tsf.org.za/courses/build/internals/ch05.html

Alexander


-- 
Alexander Dalloz | Enger, Germany | new address - new key: 0xB366A773
legal statement: http://www.uni-x.org/legal.html
Fedora GNU/Linux Core 2 (Tettnang) on Athlon kernel 2.6.9-1.6_FC2smp 
Serendipity 12:23:42 up 5 days, 7:04, load average: 0.45, 0.41, 0.38 
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