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List:       squid-users
Subject:    Re: [squid-users] Poor performance of squid-2.5 on Redhat 7.2 compared to Solaris 8 on x86
From:       "Erik Rowberg" <erowberg () habari ! co ! tz>
Date:       2002-06-30 7:45:32
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I recompiled last week with --enable-async-io support (after reading 
a paper by joe cooper) and it is a definite improvement. (RH7.2)

Is the aufs no longer concidered buggy, or was async-io the buggy 
part (according to squid.conf)?

Erik

> as far as I know, thread mechanism in linux and solaris are different.
> instead of "diskd" you can compile squid with --enable-async-io=32 I am
> sure that you will get a better performance with this option.
> dont forget to change ufs to aufs in cache_dir directive in squid.conf
> 
> Mahmoud Taghizadeh
> 
> 
> On Wed, 20 Feb 2002, Peter Arnold wrote:
> 
> > Hi,
> > I've been working with squid for some time on low end x86/solaris platform.
> > I concocted a really slick config on that worked well to impress the powers
> > that be such that bought some new IBM PIII/1.13Ghz 512Mb etc etc to replace
> > the solaris X86 P200 128Mb etc... woopee! except they wanted Redhat because
> > IBM support redhat....
> > 
> > Anyway we have a url we can access that indicates download speed and for
> > some reason the solis box ALWAYS leaves the Redhat box for dead....1500Kbps
> > vs 200-300Kbps
> > 
> > The same speed applies for the bundled version of Squid in Redhat that is
> > 2.4S1.
> > 
> > I recompiled the exact same versions on solaris as redhat with the same
> > options....
> > ./configure --prefix=/opt/squid-2.5 '--enable-storeio=ufs diskd null' --
> > enable-icmp --enable-delay-pools --enable-useragent-log --enable-
> > referer-log --enable-snmp --enable-underscores '--enable-auth=basic ntlm' '-
> > -enable-basic-auth-helpers=PAM' --enable-ntlm-auth-helpers=NTLMSSP
> > except I included LDAP in the helpers on redhat
> > Squid is configured on both with a null cache_dir but otherwise is pretty
> > stock standard.
> > Solaris/Sqiuid still wins by a factor of 5!
> > 
> > Is there any trick to Squid on Redhat that I should know about? Can anyone
> > offer any advice on trouble shooting this?
> > 
> > Thanks in advance
> > Peter Arnold
> > 
> > 
> 



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