Re: [squid-users] Sizing a pretty Large Squid Install

From: <wojtek@dont-contact.us>
Date: Thu, 10 May 2001 16:24:48 +0200 (CEST)

> >>(or about 7Mbps actual uplink bandwidth) in a Linux and Squid+async i/o
> >>configuration. On FreeBSD with DiskD this will yield about 80-90 reqs/sec.
> >>
> >
> > PER DRIVE!!!!
>
>
> Sorry, but no. You might see 70-80 from the first IDE 7200 RPM drive.
> 30 from the second. 15 from the third...and so on. 10k RPM SCSI drives
> does not scale linearly with number of drives. Many, many benchmarks

why it does not??? especially with diskd there is no reason to not do it
fully paralell (there is one diskd process per drive). don't know how in
linux, in netbsd i did random read speed test with 8kB blocks on one drive
and then on two drives in paralell. there was small difference - but no
more that 2-3%
Received on Thu May 10 2001 - 08:25:09 MDT

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