Re: Poor performance with 1GB of RAM
On Mon, Aug 11, 2003 at 01:47:17PM +0200, Nejko Zidarjev wrote:
> On Mon, 11 Aug 2003 at 12:56:47, Antony Gelberg wrote:
>
> > J. Zidar wrote:
> > > Hello. I have a very peculiar problem with my Debian install.
> > >
> > > It seems to me that Debian is not using my ram at all, because I can
> > > hear and see a lot of disk activity happening, which could only mean
> > > that the system is using the swap partition (size 2GB).
> >
> > Or it could mean that the disk controller isn't working in it's most
> > preferable mode (UDMA whatever). How much RAM do you have? What does cat
> > /proc/meminfo say?
> >
> > A
> >
> >
> > --
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>
> I have 1GB of RAM.
>
> Output of cat proc/meminfo:
> total: used: free: shared: buffers: cached:
> Mem: 1058750464 253161472 805588992 0 38518784 68460544
> Swap: 1998733312 40136704 1958596608
> MemTotal: 1033936 kB
> MemFree: 786708 kB
> MemShared: 0 kB
> Buffers: 37616 kB
> Cached: 53172 kB
> SwapCached: 13684 kB
> Active: 30624 kB
> Inactive: 107316 kB
> HighTotal: 131008 kB
> HighFree: 30764 kB
> LowTotal: 902928 kB
> LowFree: 755944 kB
> SwapTotal: 1951888 kB
> SwapFree: 1912692 kB
>
> Jernej Zidar
>
Well, you appear to be using negligible swap. You also appear to have
about 800MB free RAM. So it looks like the slowness you are seeing is
_probably_ not a swapfile issue.
Do you know if your hard disks are operating in the fastest possible
mode? (clue: look through the output of dmesg)
Aside from that, why do you have a 2GB swapfile anyway, as you don't
appear to even be close to using all of your physical RAM?
A
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