[squid-users] Vedr.: Re: [squid-users] Vedr.: Re: [squid-users] Big IO load.. with only few files.. how come?

From: Klavs Klavsen <ktk@dont-contact.us>
Date: Tue, 13 Nov 2001 08:15:03 +0100

Hi Adrian,

btw. I wrote some other mails - with other subjects - but in regards to the
same basic problem..

here you can also see vmstat output and output from squid - while it was
loaded.. and you can also see what i'm running squid on..

it's a 2xPIII-1ghz, 1gb ram, 2x18gb (in raid 1) 10k rpm scsi disks, 160mb/s
Hardware Raid controller.

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On Mon, Nov 12, 2001, Klavs Klavsen wrote:
> I read it wrong..
> it's not the IO that was heavily loaded.. (at approx 18.000 pr. sec) - it
> was interrupts..
> Do any of you know how many I can expect - before the machine stalls..
> what I can do to increase the ability to handle more interrupts?
> btw. it's a linux-2.4 kernel.
> I hope you have some tuning tips for me..
> and to Torsten.. thanks for all your help so far..

Uhm, if you're using iDE anywhere, make sure you've turned DMA on.
That's burnt me a few times when doing squid work under Linux.

A few lines of vmstat output when the cache is heavily loaded will
tell us where the bottleneck may be.

Received on Tue Nov 13 2001 - 00:15:05 MST

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