Re: mod_perl speed difference between Fedora Core 1 and Fedora Core 3

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Why are you using Apache1.3?
Have  tried compiling Apache2  with MP2?
With FC3 and SElinux threads are more prevalent. I thought thats why I 
was upgrading to Apache2.  Use of  better threading technology.

On Thursday 06 January 2005 10:15 am, Alex Greg wrote:
> Hi,
>
>
> Recently I've upgraded one of our mod_perl servers to Fedora Core 3
> (the others are all running Fedora Core 1).
>
>
> What I've found is that the Fedora Core 3 machine is consistently
> slower to respond than the Fedora Core 1 machines:
>
>
> [root@twiglet root]# for f in web1 web2 web3 web4; do echo $f; time
> lynx -source "http://$f/cgi-bin/data.cgi?id=1268"; > /dev/null ;
> echo ; done
> web1
>
> real    0m0.681s
> user    0m0.010s
> sys     0m0.020s
>
> web2
>
> real    0m0.641s
> user    0m0.020s
> sys     0m0.010s
>
> web3
>
> real    0m0.626s
> user    0m0.020s
> sys     0m0.010s
>
> web4
>
> real    0m0.987s
> user    0m0.020s
> sys     0m0.010s
>
>
> Our load balancer has picked this up as well and adjusted the
> weight of the server accordingly, so it is definately consistently
> slower.
>
>
> We're using the Fedora Perl packages (perl-5.8.3-16 on FC1,
> perl-5.8.5-9 on FC3), but I have compiled Apache and mod_perl on
> all the machines from source, with the following command:
>
>
> perl Makefile.PL APACHE_SRC=../apache_1.3.31/src DO_HTTPD=1
> USE_APACI=1 EVERYTHING=1  APACI_ARGS='--prefix=/www'
> make && make test && make install
>
>
> All four machines are using Apache 1.3.31 and mod_perl 1.29 and run
> on identical hardware (P4 3.06Ghz, 3GB RAM). The only reason we're
> using Fedora Core 3 on the 4th one is because the SCSI firmware
> version is different and doesn't work under Fedora Core 1.
>
>
> Any advice on this would be much appreciated.
>
>
> Regards,
>
>
> -- Alex

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