Run "perl -V" on both hosts and check if there are any differences between the output, mainly on "Platform" and "Compile-time options" sections.
Also, you could create a simple perl script (like "$x++ for (1..1000000)") and Benchmark them on both hosts. HTH, Sergio. On Thu, 6 Jan 2005, 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: > > > [EMAIL PROTECTED] 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 >