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Old 09-05-2006, 06:03 AM   #1
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Registered: Jun 2004
Location: Belgium
Distribution: Debian
Posts: 24

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Slow after update kernel

On my server i'm running etch it was alle running good but the kernel was old(still woody kernel) and i needed an update of the kernel. but since the update my system is slow I installed kernel-image-2.6-686

My server is a Celeron 600mhz, with 256MB RAM i'm running a small website with apache2 and a mail service with postfix and mailscanner

Pls help me get my performance back i need sometimes wait 1 minut until a large php file is load and before the update it was 30 seconds.

So pls help me

thx in advance

Old 09-06-2006, 03:00 PM   #2
Registered: Apr 2004
Location: Warrington, Cheshire, UK
Distribution: Linux Mint 12 LXDE
Posts: 555

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The stock kernel comes with a lot of overhead since it has to include drivers for all kinds of hardware and many options you won't need on a server. IMO it would be best to recompile the kernel with only the hardware support and options you need. This should speed things up. If you've never done a recompile before, you could do worse than read the sticky on this forum. A google will also throw plenty of help on the subject.
Old 09-08-2006, 09:14 AM   #3
Registered: Oct 2002
Posts: 81

Rep: Reputation: 16
sounds like DMA for your hard drive may not have been enabled. Check out the documentation on hdparm to enable/check on DMA. If the hard drive isn't working at its optimum speed, this could slow down things a bit with your file I/O


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