Re: problem with a server
mandag 21. mars 2005, 13:20, skrev Martin Herweg:
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> Hi all!
>
> for almost a week now I'm trying to solve a
> slowness/latency problem on a skolelinux server.
>
> It is running fine with the normal skolelinux kernel:
> e.g.
> time id USENAME -> 0,25s
>
> but I want to use 4GB RAM (Main + ThinClientServer on one machine)
> so I tried "bigger" standard Debian Kernel:
>
> 2.4.27-smp
> or
> 2.6.8-2-686-smp
>
> (SPM should be ok because it is a P4 Processor with HyperTreading)
> with those kernels I can use the 4GB RAM but login & sstarting Apps
> gets terribly slow:
>
> time id USENAME -> up to 6,12 seconds (with kernel 2.6.8-2-686-smp)
> 4 seconds (with kernel 2.4.27-smp )
>
> starting firefox: up to 20seconds
>
> I started to build my own 2.4.27 kernels, without SMP but with
> 4GB RAM support but it did not help
>
> it is solw with 1 user so it is way to slow with 30 Users
> - - we tried that in the school
>
> any ideas ?
>
> If you want to have a look at the machine,
> then send me a mail and I give you ssh and NX access to it.
>
>
>
> kind regards,
> Martin Herweg
>
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What does
hdparm -tT /dev/sda (or what you migh have) say?
Klaus
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